TASK DEFINITION: In this task, you need to count the occurrences of the given word in the given sentence.
PROBLEM: Sentence: 'a picture of a vase with pink flowers in it'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a home computer setup with two laptops on a desk'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a person on a field swinging a baseball bat at a ball'. Count the occurrences of the word 'a' in the given sentence.

SOLUTION:
4