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

Input: Consider Input: Sentence: 'a picture of a plane in the air'. How many words contain the letter 'l' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'a laptop computer that is sitting on a desk'. How many words contain the letter 't' in the sentence.

Output: 4

Input: Consider Input: Sentence: 'an adult giraffe leaning over a fence to eat leaves'. How many words contain the letter 'w' in the sentence.
Output: 0