instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a white biplane on grassy area next to buildings'. How many words contain the letter 'g' in the sentence.
answer:
2


question:
Sentence: 'a zebra standing still in the grass near a tree'. How many words contain the letter 'w' in the sentence.
answer:
0


question:
Sentence: 'people sit with luggage on a subway train'. How many words contain the letter 'q' in the sentence.
answer:

0