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: 'cars parked on the side of the road beside a fire hydrant'. How many words contain the letter 'p' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'five people riding on the back of an elephant'. How many words contain the letter 'd' in the sentence.

SOLUTION:
1