TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'an elephant that is eating some leaves from a tree'. How many words contain the letter 'n' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a clock tower next to a building in a city'. How many words contain the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a garbage truck parked next to scores of random items'. How many words contain the letter 'i' in the sentence.

SOLUTION:
1