TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a silver truck a street a person and buildings'. How many words contain the letter 'l' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a blue traffic sign next to a parked car on a city street'. How many words contain the letter 'g' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a vase filled with flowers on top of a table'. How many words contain the letter 'a' in the sentence.

SOLUTION:
4