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

[EX Q]: Sentence: 'a cake with chocolate frosting and a cake with white frosting are each in an open box'. Count the occurrences of the word 'frosting' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a colorful hydrant  sitting in the grass on a quiet street'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a man picks up a red suitcase near a luggage rack and a silver train is right by the luggage rack'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
4