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

[Q]: Sentence: 'a group of three toilets with a person standing in front of the middle one'. Count the occurrences of the word 'toilets' in the given sentence.
[A]: 1

[Q]: Sentence: 'a picture with a keyboard pen and other things some shown larger with pictures on the side of the big picture'. Count the occurrences of the word 'picture' in the given sentence.
[A]: 2

[Q]: Sentence: 'a black and white clock on a chain'. Count the occurrences of the word 'a' in the given sentence.
[A]:
2