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

Example Input: Sentence: 'a laptop computer that is sitting on a desk'. How many words contain the letter 't' in the sentence.
Example Output: 4

Example Input: Sentence: 'bus moving through parking lot in front of building'. How many words contain the letter 'g' in the sentence.
Example Output: 4

Example Input: Sentence: 'a black and white photo of a plane sitting on a runway'. How many words contain the letter 'b' in the sentence.
Example Output:
1