Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

[Q]: New York housewife Jean Nidetch (1923-2015) founded which global organization, sold to Heinz in 1978 for $71m?
[A]: weight watchers


[Q]: Ethanol and isopropyl are types of what?
[A]: alcohol


[Q]: Which four letter word beginning with D is a 2012 single by Usher, from his album 'Looking 4 Myself'?
[A]:
dive