Does the sentence "Nasser died several hours later, around 6:00 p.m. Heikal, Sadat, and Nasser's wife Tahia were at his deathbed." provide a valid answer to the question "Who was with Nasser when he died?"

A: yes

Does the sentence "After the French and Indian War, the Proclamation of 1763 restricted settlement for Great Britain's thirteen original colonies in North America to east of the summit line of the mountains (except in the northern regions where the Great Lakes formed the boundary)." provide a valid answer to the question "What happened after the French and Indian War?"

A: yes

Does the sentence "The command includes Joint Task Force 2 (JTF2), the Canadian Joint Incident Response Unit (CJIRU) based at CFB Trenton, as well as the Canadian Special Operations Regiment (CSOR) and 427 Special Operations Aviation Squadron (SOAS) based at CFB Petawawa." provide a valid answer to the question "How many Special Operations Aviation Squadron are based at Petawawa?"

A: yes

Does the sentence "Essential genes are the set of genes thought to be critical for an organism's survival." provide a valid answer to the question "What does the definition of essential genes assume an absence of?"

A:
no