instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a large red sign on a metal pole'. How many words contain the letter 'q' in the sentence.
answer:
0


question:
Sentence: 'a large field is next to a river'. How many words contain the letter 'j' in the sentence.
answer:
0


question:
Sentence: 'many people seem bored while sitting on the train'. How many words contain the letter 'p' in the sentence.
answer:

1