In this task, you need to count the number of words in a sentence that contain the given letter
--------
Question: Sentence: 'an elephant near a man sitting down'. How many words contain the letter 'y' in the sentence.

Answer: 0


Question: Sentence: 'a woman surfer is on an ocean wave'. How many words contain the letter 's' in the sentence.

Answer: 2


Question: Sentence: 'an image of a cat looking out the window'. How many words contain the letter 'k' in the sentence.

Answer:
1