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

Input: Consider Input: Sentence: 'some kids are all taking a photograph together'. How many words contain the letter 'e' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'the laptop is disassembled with the parts piled on the outer shell'. How many words contain the letter 'v' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a woman smiling for the camera while on a boat'. How many words contain the letter 'e' in the sentence.


Output: 3