instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a silver truck a street a person and buildings'. How many words contain the letter 'l' in the sentence.
answer:
2


question:
Sentence: 'a picture of a scene in a baseball game'. How many words contain the letter 'g' in the sentence.
answer:
1


question:
Sentence: 'people cross country skiing across open ground outside'. How many words contain the letter 'v' in the sentence.
answer:

0