TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a couple of skis sticking out of a snow covered ground'. Count the occurrences of the word 'of' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a home office features full bookcase a laptop and a red leather chair'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a couple of dogs laying on top of a red couch'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
2