Definition: Given the Question and Answer pair, detect whether the answer is acceptable or not. Denote acceptable answer as "yes", otherwise denote as "no". An acceptable answer is consistent with the context in question, detailed, long, and uses general knowledge of English. Answers that are not definite and suggest a variety of options are not acceptable answers.
Input: Question: Is there a specific reason for this? After all, it is "boys and girls", rather than "girls and boys". If the boy (male) comes first here, why doesn't it come first in "ladies and gentlemen"? 
Answer: It comes from "My Lords, Ladies and Gentlemen". Titled men come first (My Lords); then their spouses [My] Ladies; Ladies also include non-titled ladies; and finally, untitled men (Gentlemen). Debretts, Preamble Precedents The following list gives the form in which important guests should be included in a preamble in order of precedence: Your Royal Highness My Lord Mayor (My Lord Provost, etc) See (i) Mr Recorder (outside London) Mr Chairman of the ...... County Council (outside Greater London) My Lord Chancellor Prime Minister (or, more formally, Mr. Prime Minister). See (ii) Your Excellency (ies) (this refers to Ambassadors and High Commissioners) Your Grace(s). See (iii) My Lord(s). See (iv) Ladies and Gentlemen. See (v) If you want to know what the footnotes (i) through (v) say, so you will be absolutely correct at your next speech, click on the link.

no