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

Input: Consider Input: Sentence: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'bus moving through parking lot in front of building'. How many words contain the letter 'g' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a close up of a blue and yellow train at a platform'. How many words contain the letter 'k' in the sentence.


Output: 0