Domanda 98, IFR Communications - ATPL - Airline Transport Pilot license

The aircraft is diverting from the route cleared because of a thunderstorm and asks for immediate reclearance
Imminent danger threatens the aircraft and immediate assistance is required
An aircraft on final approach is starting the missed approach procedure
The aircraft has a very urgent message to transmit concerning the safety of a ship, aircraft or other vehicle, but immediate assistance is not required