instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'there is a person awaiting to cross this street'. How many words contain the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'a sign that shows you are entering into joshua tree national park'. How many words contain the letter 't' in the sentence.
answer:
5


question:
Sentence: 'two children and their mom blow out tea light candles on a cake'. How many words contain the letter 'v' in the sentence.
answer:

0