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

Input: Consider Input: Sentence: 'a clock in the middle of a building'. How many words contain the letter 'x' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man in a white turban drives a motorcycle along a dirty road'. How many words contain the letter 'd' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a large green couch located in a living room'. How many words contain the letter 'y' in the sentence.


Output: 0