instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a woman surfer is on an ocean wave'. How many words contain the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a man with a surfboard walking across a bridge towards the ocean'. How many words contain the letter 'w' in the sentence.
answer:
3


question:
Sentence: 'several teddy bears lined up with hearts and bow ties on them'. How many words contain the letter 'n' in the sentence.
answer:

3