instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a little boy learning to throw a frisbee'. How many words contain the letter 'h' in the sentence.
answer:
1

question:
Sentence: 'a bunch of white hyacinths arranged in a vase'. How many words contain the letter 'r' in the sentence.
answer:
1

question:
Sentence: 'two zebras next to each other with their heads touching'. How many words contain the letter 'x' in the sentence.
answer:
1