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

Input: Consider Input: Sentence: 'a desk with a laptop next to a cutting board'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'two pictures are hanging on the wall of the bathroom'. Count the occurrences of the word 'the' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a man riding a bike on a busy roadway with a dog standing on the back'. Count the occurrences of the word 'on' in the given sentence.


Output: 2