instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a dog on a deck ripping in to a plastic frisbee'. How many words contain the letter 'l' in the sentence.
answer:
1


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 one way road leading into the city'. How many words contain the letter 'n' in the sentence.
answer:

3