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

Ex Input:
Sentence: 'a woman sitting at a table holding a hot dog up to her mouth'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
3


Ex Input:
Sentence: 'a vehicle applying brakes near a stop sign on a rainy day'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
3


Ex Input:
Sentence: 'a couple of men standing in a living room holding game controllers'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:

2