instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'some zebras dirt plants and bushes'. How many words contain the letter 'r' 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: 'a man is throwing a frisbee underneath some utility wires'. How many words contain the letter 'w' in the sentence.
answer:
2