Does the hypothesis 'At 8:34, the Boston Center controller received a third transmission from American 11:' logically conflict with the premise 'The Boston Center controller got a third transmission from American 11 that said the plane was crashing right then.'
At 8:34, the Boston Center controller received a third transmission from American 11:###The Boston Center controller got a third transmission from American 11 that said the plane was crashing right then.