instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a couple of people that are on some skateboards'. How many words contain the letter 'o' in the sentence.
answer:
6

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: 'a woman talking on a cellphone in a building foyer'. How many words contain the letter 'd' in the sentence.
answer:
1