Based on the premise 'The controller checked his radio equipment and contacted another controller at 8:53, saying that we may have a hijack and that he could not find the aircraft.', does it logically lead to the hypothesis 'The controller was unhappy about the contact from the other controller.'
The controller checked his radio equipment and contacted another controller at 8:53, saying that we may have a hijack and that he could not find the aircraft.###The controller was unhappy about the contact from the other controller.