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.

[Q]: Category: RIVERS 
Clue: In 1951 it was determined that this river's source was in the Sierra Parima of Venezuela
[A]: the orinoco


[Q]: Category: TASTY MUSICAL ACTS 
Clue: The Roxy Music song "Pyjamarama" inspired the name of this British girl group
[A]: bananarama


[Q]: Category: ANCIENT GREEK DRAMA 
Clue: This title angry wife plots revenge against Jason by killing his new flame with a poisoned garment
[A]:
medea