instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a jet airliner carrying a small shuttle above it'. How many words contain the letter 'r' in the sentence.
answer:
2


question:
Sentence: 'some stop lights that are at an intersection'. How many words contain the letter 'c' in the sentence.
answer:
1


question:
Sentence: 'a poster with several thumbnail photos advertising snowboarding'. How many words contain the letter 'p' in the sentence.
answer:

2