TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a persons desk with a computer and many books in a case behind it'. How many words contain the letter 'd' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a horse that has a car behind it in the street'. How many words contain the letter 'j' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a woman standing over a sheet cake sitting on top of a table'. How many words contain the letter 'g' in the sentence.

SOLUTION:
2