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

Example Input: Sentence: 'this is a landscape view of a church with a clock tower'. Count the occurrences of the word 'a' in the given sentence.
Example Output: 3

Example Input: Sentence: 'a sickly looking white hose inside of a stable'. Count the occurrences of the word 'inside' in the given sentence.
Example Output: 1

Example Input: Sentence: 'a man playing baseball slides into home near the catcher'. Count the occurrences of the word 'the' in the given sentence.
Example Output:
1