In this task, you need to count the occurrences of the given word in the given sentence.

Input: Consider Input: 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.

Output: 3


Input: Consider Input: Sentence: 'the airplane is flying high in the cloudless sky'. Count the occurrences of the word 'the' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'the jeep is parked and the bag are out of the jeep'. Count the occurrences of the word 'the' in the given sentence.


Output: 3