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

Input: Consider Input: Sentence: 'a child on the sand and a boat and some water'. How many words contain the letter 's' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a tabby cat rests on a suitcase set on the floor in a room'. How many words contain the letter 'q' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'plate with breakfast sandwich made with english muffin egg and ham'. How many words contain the letter 'e' in the sentence.


Output: 5