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

Input: Consider Input: Sentence: 'a man is holding a bunch of green bananas in his yard'. How many words contain the letter 'i' in the sentence.

Output: 4

Input: Consider Input: Sentence: 'a bench is in the ocean water with a fishing pole'. How many words contain the letter 'm' in the sentence.

Output: 0

Input: Consider Input: Sentence: 'a can is laying on a remote control'. How many words contain the letter 'b' in the sentence.
Output: 0