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

Sentence: 'three blue suitcases stacked on top of each other and three smaller bags on top of each other in a corner'. Count the occurrences of the word 'smaller' in the given sentence.
1

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: 'a young man is trying to pull of a skateboard trick on the ramp in front of the crowd'. Count the occurrences of the word 'a' in the given sentence.
2