instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a cat is laying in a piece of luggage'. How many words contain the letter 'p' in the sentence.
answer:
1


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: 'on a road group of people with their luggage'. How many words contain the letter 'd' in the sentence.
answer:

1