Does the sentence "In September 1940, Japan decided to cut China's only land line to the outside world by seizing Indochina, which was controlled at the time by Vichy France." provide a valid answer to the question "When did Japan take over Indochina?"

A: yes

Does the sentence "Great achievements in Canadian football are enshrined in the Canadian Football Hall of Fame." provide a valid answer to the question "What trophy is awarded to the winner of Canadian inter-university football competition?"

A: no

Does the sentence "He concludes:" provide a valid answer to the question "How did the experiment succeed?"

A: no

Does the sentence "His descendant, Attalus I, defeated the invading Galatians and proclaimed himself an independent king." provide a valid answer to the question "Who did Philetaerus declare himself loyal to?"

A:
no