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: 'a big sign that is lit up near some buildings'. How many words contain the letter 'r' in the sentence.
answer:
1


question:
Sentence: 'the kitchen is separated from the living room by a bar'. How many words contain the letter 'l' in the sentence.
answer:

1