TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'watchful raptor standing on one foot on a rock pile'. How many words contain the letter 'r' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a person resting on a bench outside a furniture store'. How many words contain the letter 'e' in the sentence.

SOLUTION: 6

PROBLEM: Sentence: 'a pizza sitting on top of a black cutting board'. How many words contain the letter 'g' in the sentence.

SOLUTION:
2