instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a man in a suit with his finger in his ear'. How many words contain the letter 'm' in the sentence.
answer:
1


question:
Sentence: 'a pair of people swimming out to sea on some surfboards'. How many words contain the letter 'j' in the sentence.
answer:
0


question:
Sentence: 'looking at elephant through windshield of all terrain vehicle'. How many words contain the letter 'a' in the sentence.
answer:

4