instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a bird is standing on the edge of a book'. How many words contain the letter 'o' in the sentence.
answer:
3


question:
Sentence: 'there is a red tea pot that has flowers in it'. How many words contain the letter 'o' in the sentence.
answer:
2


question:
Sentence: 'a man riding waves on his surfboard in the ocean'. How many words contain the letter 'v' in the sentence.
answer:

1