With no explanation, label text_A→text_B with either "no" or "yes".
text_A: The overall probability of the camper lighting a match is 99%. The probability of the camper not lighting a match and the forest on fire is 1%. The probability of the camper lighting a match and the forest on fire is 42%.
text_B: Is the chance of the forest on fire smaller when observing the camper lighting a match?
yes.