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

Input: Consider Input: Sentence: 'a sign that shows you are entering into joshua tree national park'. How many words contain the letter 't' in the sentence.

Output: 5

Input: Consider Input: Sentence: 'a photograph of a restroom toilet in front of tiles'. How many words contain the letter 'c' in the sentence.

Output: 0

Input: Consider Input: Sentence: 'two giraffes in a beautiful zoo with a large rock shelter'. How many words contain the letter 'd' in the sentence.
Output: 0