Consider the premise. Does the hypothesis directly oppose it? Premise: Sixteen seconds after that transmission, ATC instructed the aircraft's pilots to climb to 35,000 feet. Hypothesis: The aircraft's pilots were told to increase their altitude to 35,000 feet.
Sixteen seconds after that transmission, ATC instructed the aircraft's pilots to climb to 35,000 feet.###The aircraft's pilots were told to increase their altitude to 35,000 feet.