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.

Category: COLORFUL RHYME TIME 
Clue: Blushing writing liquid
pink ink

Category: FORWARDS & BACK WORDS 
Clue: Shrek & "therefore" (follows "cogito")
ogre & ergo

Category: BEGINS & ENDS WITH "E" 
Clue: In 2002 this female rapper had her biggest hit, "Gangsta Lovin'" featuring Alicia Keys

eve