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

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: 'the facades of the buildings in the row are all the same'. How many words contain the letter 'f' in the sentence.
Example Output: 2

Example Input: Sentence: 'a foggy train station with parked train and signals'. How many words contain the letter 'j' in the sentence.
Example Output:
0