Does the sentence "Commercially available diorganozinc compounds are dimethylzinc, diethylzinc and diphenylzinc." provide a valid answer to the question "What are dimethylzinc, dietylzinc and diphenylzinc?"

A: yes

Does the sentence "When the Communist Party of China took over power, previous schools of thought, excepting notably Legalism, were denounced as backward, and later even purged during the Cultural Revolution." provide a valid answer to the question "During what event was Legalism abolished?"

A: yes

Does the sentence "In some cases, the veche either made agreements with their rulers or expelled them and invited others to take their place." provide a valid answer to the question "What was the group called that owed labour duty to the princes?"

A: no

Does the sentence "Three of his albums rank on Rolling Stone's 2012 "500 Greatest Albums of All Time" list; two of his albums feature at first and eighth, respectively, in Pitchfork Media's The 100 Best Albums of 20102014." provide a valid answer to the question "How many Grammy Awards has Kanye West won?"

A:
no