Definition: In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
Input: passage: Catherine Tramell is a fictional character and main antagonist in the film Basic Instinct (1992) and its sequel, Basic Instinct 2 (2006). Catherine, created by writer Joe Eszterhas, is played by Sharon Stone in both films. In Basic Instinct, Tramell is a serial killer and love interest of washed-up detective Nick Curran; Basic Instinct 2 pairs her with the similarly troubled British psychologist Michael Glass.
 question: was catherine tramell the killer in basic instinct?

Yes