Please answer the following question: Information:  - Natalia Vladimirovna Linichuk (born 6 February 1956) is a Russian ice dancing coach and former competitive ice dancer for the Soviet Union. With partner Gennadi Karponosov, she is the 1980 Olympic champion and a two-time World champion.   - Natalia Vladimirovna Linichuk ( Russian :     ; born February 6 , 1956 ) is a Russian ice dancing coach and former competitive ice dancer for the Soviet Union . With partner Gennadi Karponosov , she is the 1980 Olympic champion and a two - time World champion .  - Gennadi Mikhailovich Karponosov (born 21 November 1950) is an ice dancing coach and a former competitive ice dancer for the Soviet Union. With Natalia Linichuk, he is the 1980 Olympic champion and a two-time World champion.    After reading the paragraphs above, we are interested in knowing the entity with which 'natalia linichuk' exhibits the relationship of 'date of birth'. Find the answer from the choices below.  Choices: - 1980  - 6  - 6 february 1956  - february 1956  - november 1950
A:
6 february 1956