You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[EX Q]: Category: FOUNDERS
Clue: In 1958 former high school principal Dr. Ethel Andrus founded this group, the AARP
[EX A]: american association of retired persons

[EX Q]: Category: "PAR"TY TIME
Clue: It's equal to 3.26 light years
[EX A]: parsec

[EX Q]: Category: BIOLOGY
Clue: This term for tissue that takes nutrients through a plant also refers to human blood vessels
[EX A]:
vascular