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

Input: Consider Input: Sentence: 'a woman is smiling next to a dog'. How many words contain the letter 'j' in the sentence.

Output: 0

Input: Consider Input: Sentence: 'there is a plate if food with broccoli fish and a baked potato'. How many words contain the letter 'k' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'two toys one a toy cow on a bed'. How many words contain the letter 'f' in the sentence.
Output: 0