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

[EX Q]: Sentence: 'a person with a scarf on their head sitting on a bench next to flowers with their hand raised'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 3

[EX Q]: Sentence: 'a golden furred dog chewing on a stuffed animal'. Count the occurrences of the word 'chewing' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'a person taking a photo in a mirror'. Count the occurrences of the word 'person' in the given sentence.
[EX A]:
1