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

Input: Consider Input: Sentence: 'a man herding brown colored animals with a dog'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a black and white photo of a plane sitting on a runway'. How many words contain the letter 'b' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'individuals are up and doing something fun today'. How many words contain the letter 'p' in the sentence.


Output: 1