instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a teenager and child are fighting for a frisbee'. How many words contain the letter 'm' in the sentence.
answer:
0


question:
Sentence: 'some stop lights that are at an intersection'. How many words contain the letter 'c' in the sentence.
answer:
1


question:
Sentence: 'a couple of suit cases sitting on top of a wooden block'. How many words contain the letter 'b' in the sentence.
answer:

1