instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
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: 'four white and blue street signs on a wooden pole'. How many words contain the letter 'u' in the sentence.
answer:
2


question:
Sentence: 'a woman sitting on the ground with fruits and vegetables'. How many words contain the letter 's' in the sentence.
answer:

3