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

Input: Consider Input: Sentence: 'the children are playing on the beach  next to the water'. How many words contain the letter 'h' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a sleek and pointy fighter jet flying in the sky'. How many words contain the letter 'f' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a batter swinging a bat on a baseball field'. How many words contain the letter 'm' in the sentence.


Output: 0