instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'trash cans and a fire hydrant are on the curb of a sidewalk'. How many words contain the letter 'u' in the sentence.
answer:
1


question:
Sentence: 'some soldiers cutting into a big sheet cake on a table'. How many words contain the letter 'c' in the sentence.
answer:
2


question:
Sentence: 'a city street is crowded with people and no cars'. How many words contain the letter 'e' in the sentence.
answer:

3