instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a person that is fixing a pillow on a couch'. How many words contain the letter 's' in the sentence.
answer:
2


question:
Sentence: 'an elephant standing on a green grass area'. How many words contain the letter 'm' in the sentence.
answer:
0


question:
Sentence: 'a room with a white sofa white table and a desk with a computer on'. How many words contain the letter 'c' in the sentence.
answer:

1