instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a gray cat is wearing a santa hat'. How many words contain the letter 'm' in the sentence.
answer:
0


question:
Sentence: 'a boy is doing a trick with his skateboard'. How many words contain the letter 'y' in the sentence.
answer:
1


question:
Sentence: 'a horrible picture of a cat in a plastic bag'. How many words contain the letter 'o' in the sentence.
answer:

2