Does the sentence "He went on to explore a variety of different musical styles on subsequent albums that included the baroque-inflected Late Registration (2005), the arena-inspired Graduation (2007), and the starkly polarizing 808s & Heartbreak (2008)." provide a valid answer to the question "How many albums has Kanye released since starting his solo career in 2004?"

A: yes

Does the sentence "Other notable new vaccines of the period include those for measles (1962, John Franklin Enders of Children's Medical Center Boston, later refined by Maurice Hilleman at Merck), Rubella (1969, Hilleman, Merck) and mumps (1967, Hilleman, Merck)" provide a valid answer to the question "Who helped refine the measles vaccine?"

A: yes

Does the sentence "Menzies was firmly anti-Communist; he committed troops to the Korean War and attempted to ban the Communist Party of Australia in an unsuccessful referendum during the course of that war." provide a valid answer to the question "What was a key political topic in the 1950s and 1960s?"

A: no

Does the sentence "It would let colonies defend themselves or would offer only minimal help (sending them limited numbers of troops or inexperienced soldiers), anticipating that fights for the colonies would most likely be lost anyway." provide a valid answer to the question "How much effort did France put into wars to defend its colonies?"

A:
yes