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

Sentence: 'a man riding a long surfboard on a wave'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'a gray and black spotted and striped cat wearing a vest and climbing in a vehicle'. Count the occurrences of the word 'cat' in the given sentence.
1

Sentence: 'the mall sitting area with many benches for rest'. Count the occurrences of the word 'many' in the given sentence.

1