Read the text and determine if the sentence is true (see options at the end):

After giving nearly 5,000 people a second chance at life, doctors are celebrating the 25th anniversary of Britian's first heart transplant which was performed at Cambridgeshire's Papworth Hospital in 1979.

Sentence: doctors are celebrating the 25th anniversary of Britian's first heart transplant.
Choose from:
[1]. Yes
[2]. It's impossible to say
[3]. No
[1].