instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a business man is talking on the phone'. How many words contain the letter 'e' in the sentence.
answer:
3


question:
Sentence: 'there are trains that are on the train track'. How many words contain the letter 'z' in the sentence.
answer:
0


question:
Sentence: 'a bridge with some blue lights along the side of it'. How many words contain the letter 'j' in the sentence.
answer:

0