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

[EX Q]: Sentence: 'the table in the apartment is set for two to have cake and a doll is seated in one chair'. Count the occurrences of the word 'is' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a man with a neck tie is wearing a motorcycle helmet'. Count the occurrences of the word 'wearing' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'a baseball player is running in a field'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
2