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 longheaired dog eating a birthday cake'. How many words contain the letter 'z' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a television is sitting on a table in a room'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a small child in a pink shirt brushing her teeth'. How many words contain the letter 'q' in the sentence.


Output: 0