Read the text and determine if the sentence is true (see options at the end):

The credit card mobile phones now provided on some aircraft, do not interfere with aircraft systems because they are wired to a special "base station" that has been designed to safely receive and transmit radio signals in the aircraft.

Sentence: credit card mobile phones are bad during emergencies

 -Yes.
 -It's impossible to say.
 -No.
It's impossible to say