In response to 'At 9:27, after having been in the air for 45 minutes, United 93 acknowledged a transmission from the Cleveland Center controller.', does 'At 9:27, United 93 refused to acknowledge a transmission from the Cleveland Center.' serve as a counterstatement?
At 9:27, after having been in the air for 45 minutes, United 93 acknowledged a transmission from the Cleveland Center controller.###At 9:27, United 93 refused to acknowledge a transmission from the Cleveland Center.