Please answer the following question: Information:  - Sketch comedy comprises a series of short comedy scenes or vignettes, called "sketches", commonly between one and ten minutes long. Such sketches are performed by a group of comic actors or comedians, either on stage or through an audio or visual medium such as radio and television. Often sketches are first improvised by the actors and written down based on the outcome of these improv sessions; however, such improvisation is not necessarily involved in sketch comedy.  - Nuts Entertainment (new full title: "Nuts Entertainment It's Playtime") was a sketch comedy television show in the Philippines that aired every Saturday evening by GMA Network (replacing "Obra" to Thursdays). It was part of the network's GMA KiliTV block. The show originally aired every Wednesdays.  - GMA Network (Global Media Arts or simply GMA) is a major commercial broadcast television and radio network in the Philippines. GMA Network is the flagship property of publicly traded GMA Network Inc. Its first broadcast on television was on October 29, 1961, GMA Network (formerly known as RBS TV Channel 7, GMA Radio-Television Arts then GMA Rainbow Satellite Network) is commonly signified to as the "Kapuso Network" in reference to the outline of the companys logo. It has also been called the Christian Network which refers to the apparent programming during the tenure of the new management, which took over in 1976. It is headquartered in the GMA Network Center in Quezon City and its transmitter, Tower of Power is located at Tandang Sora Avenue, Barangay Culiat also in Quezon City.  - The Philippines, officially the Republic of the Philippines, is a sovereign island country in Southeast Asia situated in the western Pacific Ocean. It consists of about 7,641 islands that are categorized broadly under three main geographical divisions from north to south: Luzon, Visayas, and Mindanao. The capital city of the Philippines is Manila and the most populous city is Quezon City, both part of Metro Manila. Bounded by the South China Sea on the west, the Philippine Sea on the east and the Celebes Sea on the southwest, the Philippines shares maritime borders with Taiwan to the north, Vietnam to the west, Palau to the east and Malaysia and Indonesia to the south.  - Songbird is a weekly musical show where Regine Velasquez sings . The show had its pilot on May 15 , 2008 . It ended on August 9 , 2008 and is replaced by Nuts Entertainment .  - Regine Velasquez-Alcasid (born April 22, 1970) is a Filipino singer. She was hailed by the Philippine Association of the Record Industry (PARI) as the Philippines' Best-Selling Artist of All Time, with more than 7 million units sold in the Philippines and another 2 million units sold across the Asian continent.    Given the information above, choose from the list below the object entity that exhibits the relation 'original network' with the subject 'songbird '.  Choices: - city  - gma network  - one  - ten
A:
gma network