instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a pizza sitting on top of a black cutting board'. How many words contain the letter 'g' 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: 'this is a piece of cake on a white plate'. How many words contain the letter 'w' in the sentence.
answer:

1