instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a close up of two black cows grazing the grass'. How many words contain the letter 'u' in the sentence.
answer:
1


question:
Sentence: 'a close up of two people wearing ties'. How many words contain the letter 'o' in the sentence.
answer:
4


question:
Sentence: 'a tie has the words why knot on it'. How many words contain the letter 't' in the sentence.
answer:

4