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

Input: Consider Input: Sentence: 'a little baby boy wearing an vest and tie'. How many words contain the letter 'e' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'the noodle salad has many spices in it'. How many words contain the letter 'v' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a man is standing at the entrance way of a mosque like tunnel using his cell phone'. How many words contain the letter 'n' in the sentence.


Output: 6