instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'people standing in a river surrounding an elephant some are touching it'. How many words contain the letter 'd' in the sentence.
answer:
2


question:
Sentence: 'a wooden bench sits leveled straight on a slanted ground'. How many words contain the letter 'l' in the sentence.
answer:
2


question:
Sentence: 'a person at a restaurant taking a picture of a pizza'. How many words contain the letter 'y' in the sentence.
answer:

0