TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'the young giraffe is standing near the fence'. How many words contain the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a group of people holding kites walking on a beach'. How many words contain the letter 'x' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a glass vase of white flowers on a dark table'. How many words contain the letter 'd' in the sentence.

SOLUTION:
1