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

[Q]: Sentence: 'a picture of a vase with pink flowers in it'. Count the occurrences of the word 'a' in the given sentence.
[A]: 2


[Q]: Sentence: 'a sickly looking white hose inside of a stable'. Count the occurrences of the word 'inside' in the given sentence.
[A]: 1


[Q]: Sentence: 'a man jumping in a grass field surrounded by cows'. Count the occurrences of the word 'by' in the given sentence.
[A]:
1