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

Input: Consider Input: Sentence: 'a line of portable toilets stands outdoors under trees'. How many words contain the letter 'l' in the sentence.

Output: 3


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 man puts a pizza on a paddle'. How many words contain the letter 'g' in the sentence.


Output: 0