instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'some kids are all taking a photograph together'. How many words contain the letter 'e' in the sentence.
answer:
3


question:
Sentence: 'a bird is standing on the edge of a book'. How many words contain the letter 'o' in the sentence.
answer:
3


question:
Sentence: 'a small white bathroom with a wood stool outside of it'. How many words contain the letter 's' in the sentence.
answer:

3