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: 'a box filled with fresh fruit and vegetables'. How many words contain the letter 'w' in the sentence.
answer:
1


question:
Sentence: 'three people that are looking at a monitor on the left side of the photo'. How many words contain the letter 'd' in the sentence.
answer:

1