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

Input: Consider Input: Sentence: 'a room with a blue rug and various appliances on a dresser'. Count the occurrences of the word 'a' in the given sentence.

Output: 3

Input: Consider Input: Sentence: 'a woman sitting on a couch holding a wii game controller'. Count the occurrences of the word 'wii' in the given sentence.

Output: 1

Input: Consider Input: Sentence: 'an over head shot of a young man skateboarding in a skate park'. Count the occurrences of the word 'a' in the given sentence.
Output: 2