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

[Q]: Sentence: 'a little girl holds a tooth brush while her mother stands in the background in a bathroom'. Count the occurrences of the word 'while' in the given sentence.
[A]: 1


[Q]: Sentence: 'a table top with some laptops on it'. Count the occurrences of the word 'with' in the given sentence.
[A]: 1


[Q]: Sentence: 'a gold and white cat looking at their reflection in a mirror'. Count the occurrences of the word 'a' in the given sentence.
[A]:
2