instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.
answer:
3


question:
Sentence: 'the corner of a bathroom with washrags and cleaning supplies'. How many words contain the letter 'q' in the sentence.
answer:
0


question:
Sentence: 'a person in the air with a skateboard upside down underneath'. How many words contain the letter 'i' in the sentence.
answer:

4