instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a person leaning on an elephant statue near trees'. How many words contain the letter 's' in the sentence.
answer:
3


question:
Sentence: 'sitting room with couch and entertainment system in cabinets'. How many words contain the letter 'e' in the sentence.
answer:
3


question:
Sentence: 'a group of people standing over some food'. How many words contain the letter 'f' in the sentence.
answer:

2