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

Prinair Flight 191 was a Prinair (Puerto Rico International Airlines) flight from Luis Muñoz Marín International Airport in San Juan, Puerto Rico, to Mercedita Airport in Ponce, Puerto Rico. At approximately 11:15pm on 24 June 1972, the aircraft crashed while attempting to land at Mercedita Airport. Five people died in the accident. and the remaining people were injured.

Sentence: Puerto Rico International Airlines flies to Ponce.

 (a). Yes.
 (b). It's impossible to say.
 (c). No.
(a).