TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a zebra is standing in the shallow water'. How many words contain the letter 't' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a green blue and yellow boat sitting in a harbor'. How many words contain the letter 'o' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'several people in the kitchen with one cooking on the stove'. How many words contain the letter 'l' in the sentence.

SOLUTION:
2