Sentence:While the Yale [e1]biologists[/e1] created the versatile protein [e2]mimic[/e2] from DNA, Breaker theorizes that a similar enzyme could be created with RNA, which many scientists believe is the strongest candidate for being the precursor of all other life forms.
 e1: biologists. 
 e2 : mimic.
Answer: Product-Producer(e2,e1)