Assertion: leech | /r/CapableOf | play pivotal role
Facets:
value: in the film
type: LOCATION
Source sentences:
text: Leech plays a pivotal role in the film as the source of a newly-created "cure" for the mutant X-Gene, the cure being a sort of retroviral gene therapy using Leech's DNA, that permanently cancels the mutation of any mutant.