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

Example Input: Sentence: 'the view of a pier throw rain covered window'. How many words contain the letter 'p' in the sentence.
Example Output: 1

Example Input: Sentence: 'a giraffe that is eating some leaves from a tree'. How many words contain the letter 'g' in the sentence.
Example Output: 2

Example Input: Sentence: 'tow women posing in the snow with skis'. How many words contain the letter 'x' in the sentence.
Example Output:
0