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

Input: Consider Input: Sentence: 'a group of people skiing down a mountain slope'. How many words contain the letter 'e' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'group of horses in a field with a pinto in the foreground'. How many words contain the letter 'h' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'two boys playing a video game indoors'. How many words contain the letter 'q' in the sentence.


Output: 0