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

Example Input: Sentence: 'the manufacturers box for the nintendo wii on the floor'. Count the occurrences of the word 'manufacturers' in the given sentence.
Example Output: 1

Example Input: Sentence: 'a man standing in the doorway of a bus traveling down the road'. Count the occurrences of the word 'the' in the given sentence.
Example Output: 2

Example Input: Sentence: 'four women are seated at a table looking at a menu'. Count the occurrences of the word 'at' in the given sentence.
Example Output:
2