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

[EX Q]: Sentence: 'a woman is petting a small horse in a field'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 3

[EX Q]: Sentence: 'a person feeding a cow with a bottle'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 3

[EX Q]: Sentence: 'a bunch of small birds and rodents in a small box with straw in it'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
2