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

Example Input: Sentence: 'a red apple sitting on a wooden table with two knifes going through it'. Count the occurrences of the word 'with' in the given sentence.
Example Output: 1

Example Input: Sentence: 'a large chair statue with a large horse statue on top of it'. Count the occurrences of the word 'a' in the given sentence.
Example Output: 2

Example Input: Sentence: 'two small white motor boats sitting still in a lake'. Count the occurrences of the word 'boats' in the given sentence.
Example Output:
1