TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a white longheaired dog eating a birthday cake'. How many words contain the letter 'z' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a group of bears sitting next to each other on a sidewalk'. How many words contain the letter 't' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'four tennis players pose for the camera on a tennis court with the net between them'. How many words contain the letter 'u' in the sentence.

SOLUTION:
2