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

[Q]: Sentence: 'a black and white photo of an airplane being loaded'. Count the occurrences of the word 'of' in the given sentence.
[A]: 1


[Q]: Sentence: 'a horse and a dog facing each other in a brown field of grass'. Count the occurrences of the word 'a' in the given sentence.
[A]: 3


[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.
[A]:
3