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 tennis player holds a ball as if to throw it in the air to serve it'. How many words contain the letter 'o' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a man in a white outfit holding a tennis racquet'. How many words contain the letter 'l' in the sentence.

SOLUTION:
1