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 consistency, answers should be in all lower cased letters.

[Q]: Category: THE NATURE OF THINGS 
Clue: This "colorful" whale can grow up to 100 feet long & weigh more than 150 tons
[A]: a blue whale


[Q]: Category: E BEFORE I 
Clue: Hold your horses! & to make it easier, use these straps that attach to the bit of the bridle
[A]: reins


[Q]: Category: ENTERPRISE 
Clue: In 2000 this firm introduced its Uncrustables, a peanut butter & jelly sandwich with no crust that just "has to be good"
[A]:
smucker\'s