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

Example Input: Sentence: 'an orange cat laying on top of a wooden table'. How many words contain the letter 'l' in the sentence.
Example Output: 2

Example Input: Sentence: 'a colorful stuffed bear sits on a purple outdoor bench'. How many words contain the letter 'v' in the sentence.
Example Output: 0

Example Input: Sentence: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.
Example Output:
0