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

GODERICH, Ont. — The Fire Marshal is investigating after 640 pigs were killed when a barn went up in flames Saturday morning in southwestern Ontario. Fire officials say the fire east of Goderich, Ont., did about $1 million in damage. Volunteer firefighters were alerted to the blaze by a passer-by. Crews arrived to find the structure fully engulfed, and battled the flames for several hours. Investigators say the fire is not suspicious.

Sentence: Firefighters who are not paid were alerted to the fire
Choose your answer from:
 A). Yes
 B). It's impossible to say
 C). No
A).