Input: 

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 unreliable during emergencies

Output: It's impossible to say


Input: 

Carelessness by contractors is a common cause of fire, including many fires that result in serious financial loss. It has been estimated that perhaps 20-25% of all non-domestic fires result from 'on-going work', such as refurbishment, repair and construction.

Sentence: This is quite surprising.

Output: It's impossible to say


Input: 

Elizabeth Dowdeswell is the Under Secretary General at the United Nations Offices at Nairobi and Executive Director of the United Nations Environment Programme.

Sentence: Due to Elizabeth Dowdeswells time in Nairobi she has become a fluent Swahili speaker

Output: It's impossible to say


Input: 

KALAMAZOO, MI -- Heavy fire seriously damaged a Burdick Street home near Bronson Methodist Hospital on Saturday, April 7. The fire was reported about 1:40 p.m. at 724 S. Burdick St. The first firefighters at the scene reported flames coming out of a back porch of the house and indicated the house was fully involved with fire. There were no reports of injuries and fire authorities later called for the American Red Cross to respond to the scene to help displaced residents. It wasn't immediately clear what caused the fire.

Sentence: Bronson Methodist Hospital, on Burdick Street, had a fire.

Output:
No