In this task, you need to count the number of words in a sentence that contain the given letter

Input: Consider Input: Sentence: 'a white cat looking in a rectangular mirror in a female bedroom'. How many words contain the letter 'q' in the sentence.

Output: 0

Input: Consider Input: Sentence: 'the two people are in wetsuits in the ocean while one rides a wave'. How many words contain the letter 'd' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'a man using a mac laptop has a coke and coffee on the desk'. How many words contain the letter 'r' in the sentence.
Output: 0