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

Input: Consider Input: Sentence: 'a television is sitting on a table in a room'. How many words contain the letter 'g' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a couple of zebras are standing in a pin'. How many words contain the letter 'a' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'the two ladies was sitting  on the sofa'. How many words contain the letter 'l' in the sentence.


Output: 1