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

Input: Consider Input: Sentence: 'a woman sitting in a chair next to a tea table in the woods'. How many words contain the letter 'i' in the sentence.

Output: 4


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: 'skate boarder in midair during a ramp jump'. How many words contain the letter 'o' in the sentence.


Output: 1