Given the question: Information:  - The Archeologist is a 1914 American silent short drama film directed by Henry Otto starring Ed, Winifred Greenwood, and John Steppling.  - The Shriner's Daughter is a 1913 American silent short film starring Charlotte Burton, Violet Neitz, Helen Armstrong, William Bertram, Edith Borella, Ed Coxen, Reaves Eason, George Field, Winifred Greenwood, Ida Lewis, Nina Richdale and William Tedmarsh.  - The Redemption of a Pal is a 1914 American silent drama short directed by Henry Otto starring Edith Borella, Charlotte Burton, George Field, Winifred Greenwood and Edward Coxen.  - A silent film is a film with no synchronized recorded sound, especially with no spoken dialogue. The silent film era lasted from 1895 to 1936. In silent films for entertainment, the dialogue is transmitted through muted gestures, mime and title cards which contain a written indication of the plot or key dialogue. The idea of combining motion pictures with recorded sound is nearly as old as film itself, but because of the technical challenges involved, synchronized dialogue was only made practical in the late 1920s with the perfection of the Audion amplifier tube and the introduction of the Vitaphone system. During silent films, a pianist, theatre organist, or, in large cities, even a small orchestra would often play music to accompany the films. Pianists and organists would either play from sheet music or improvise; an orchestra would play from sheet music.  - Charlotte Burton (May 30, 1881  March 28, 1942) was an American silent film actress.  - Henry Otto (August 8, 1877  August 3, 1952) was an American silent film actor, director, producer, and screenwriter.  Otto contributed to over 150 films throughout his career working as an actor and a director throughout. He directed many films in 1914, in films such as "When a Woman Waits", "In Tune", "The Archeologist", and "The Redemption of a Pal" working with actors such as Edward Coxen, Charlotte Burton and George Field. He retired from film in 1942. Otto died five days shy of his 75th birthday on August 3, 1952 in Los Angeles.  - Winifred Greenwood (January 1, 1885, Geneseo, New York November 23, 1961, Woodland Hills, California) was an American silent film actress. She was signed in 1910 and starred in over 200 films before her retirement in 1927. She starred in a number of films with Charlotte Burton including "The Shriner's Daughter" in 1913.  - Albert Edward Coxen (8 August 1880  21 November 1954) was an English-born American actor. He appeared in over 200 films during his career.  - In Tune is a 1914 American silent short drama film directed by Henry Otto starring Charlotte Burton, Ed Coxen, George Field, and Winifred Greenwood.  - When a Woman Waits is a 1914 American silent short drama film directed by Henry Otto starring Ed Coxen , George Field , and Winifred Greenwood .    What object entity has the relation of 'instance of' with the subject 'when a woman waits'?   Choices: - 1  - august  - birthday  - drama  - entertainment  - era  - film  - five  - january  - key  - march  - may  - november  - play  - plot  - short film  - silent film  - silent short film  - sound
The answer is:
silent short film