Can we draw the following hypothesis from the context (see options)?

Context:

Shout Across the River is a stage play, written by Stephen Poliakoff, which premiered at the RSC Donmar Warehouse (at that time called The Warehouse) in London in September 1978. It was directed by Bill Alexander. It featured Gwyneth Strong in the lead role of a troubled eighteen-year-old girl. The cast also included Lynn Farleigh, David Threlfall, Nigel Terry and Andrew Paul.

Hypothesis: Shout Across the River was written by Stacy Poliakoff.
Pick your answer from:
[+] Yes
[+] It's impossible to say
[+] No
No