question: OPTIONS:
- yes
- no
Courtship feeding, billing and allopreening are commonly performed between partners, generally after the birds have paired and mated.
Generally, when is courtship feeding and billing performed between partners?

answer: yes

[Q]: Sentence: Mexico City is one of the most important economic hubs in Latin America. Question: What is the GDP of Mexico City? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "After the financial crisis of 200708, it was known in 20082009 that two Portuguese banks (Banco Portugues de Negocios (BPN) and Banco Privado Portugues (BPP)) had been accumulating losses for years due to bad investments, embezzlement and accounting fraud." provide a valid answer to "In what two years was there a financial crisis?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Burke believed the Government was not taking the uprising seriously enough, a view reinforced by a letter he had received from the Prince Charles of France (S.A.R. le comte d'Artois), dated 23 October, requesting that he intercede on behalf of the royalists to the Government." answer the question "When did Prince Charles write to Burke?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Also, although Whitehead himself gave only secondary consideration to quantum theory, his metaphysics of processes has proved attractive to some physicists in that field." provide a valid answer to the question "What physicists in the field of quantum theory have been influenced by Whitehead?" OPTIONS:
- yes
- no

A: no

Does the sentence "It was imperative for Japanese commanders to hold Saipan." provide a valid answer to the question "What was it imperative for the Japanese to hold?" OPTIONS:
- yes
- no

A:
yes