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

Example Input: Sentence: 'computer and a monitor on a wooden desk next to a laptop'. How many words contain the letter 'm' in the sentence.
Example Output: 2

Example Input: Sentence: 'some soldiers cutting into a big sheet cake on a table'. How many words contain the letter 'c' in the sentence.
Example Output: 2

Example Input: Sentence: 'a peg board with speckled bananas on it'. How many words contain the letter 'g' in the sentence.
Example Output:
1