Problem: Carex tricephala is a species in the genus "Carex", family Cyperaceae. It is one of only about seven species in "Carex" sect. "Scabrellae". Members of this section have leaf-like bracts, and small spicate inflorescences. "Carex tricephala" is native to Southeast Asia, reported from Cambodia, Indonesia, Laos, Myanmar, Thailand, Vietnam and the Chinese province of Yunnan.

Based on the paragraph above can we conclude that "This species is most common in Vietnam as a result of the inflorescences "?

A: It's impossible to say


Problem: Live At Leeds (1970) is The Who's first live album, and indeed is their only live album that was released while the band was still recording and performing regularly.

Based on the paragraph above can we conclude that "Their albums are rare "?

A: It's impossible to say


Problem: I am pleased to respond to the motion by the member for Skeena. The member has asked that the government ignore years of consultation, negotiation and goodwill and extend the uncertainty even longer by sending the Nisga'a final agreement to a procedure heavy referendum in British Columbia.

Based on the paragraph above can we conclude that "the person in the text is aged more than 3"?

A:
Yes