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 large brown dog with a white deflated ball in its mouth'. How many words contain the letter 'm' in the sentence.
answer:
1


question:
Sentence: 'a woman eating a plate of food with a friend'. How many words contain the letter 'p' in the sentence.
answer:

1