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

Input: Consider Input: Sentence: 'a silver television a black couch a table and some ceiling fans'. How many words contain the letter 's' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a man that is sitting at a table with a bowl'. How many words contain the letter 'k' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'two elephants in an animal sanctuary with trees'. How many words contain the letter 'h' in the sentence.


Output: 2