instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'the jet is flying through the sky during the day'. How many words contain the letter 'i' in the sentence.
answer:
3


question:
Sentence: 'a batter sings his bat at a baseball game'. How many words contain the letter 'h' in the sentence.
answer:
1


question:
Sentence: 'a person with a helmet on a vehicle in the grass'. How many words contain the letter 'b' in the sentence.
answer:

0