Given 'At 9:00, American Airlines Executive Vice President Gerard Arpey learned that communications had been lost with American 77.', does 'It wasn't until 10:00 that Gerard Arpey leaned that communication had been lost with American 77.' exist in a neutral realm, neither confirming nor denying the premise?
At 9:00, American Airlines Executive Vice President Gerard Arpey learned that communications had been lost with American 77.###It wasn't until 10:00 that Gerard Arpey leaned that communication had been lost with American 77.