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 with baskets of goods stands next to his bicycle'. How many words contain the letter 'r' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two men are dancing in a parade with brown umbrellas'. How many words contain the letter 'r' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'five happy kids playing old school kick ball on a dirt street'. How many words contain the letter 'n' in the sentence.


Output: 2