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

Example Input: Sentence: 'a large cooked pizza with pepperoni on a table'. How many words contain the letter 't' in the sentence.
Example Output: 2

Example Input: Sentence: 'a tree by a house has a traffic sign attached to it'. How many words contain the letter 'm' in the sentence.
Example Output: 0

Example Input: Sentence: 'a man swinging a tennis racquet at a tennis ball'. How many words contain the letter 'o' in the sentence.
Example Output:
0