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

[EX Q]: Sentence: 'a zebra in the wild walking towards a dirt road'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'a group of people sitting around a dinner table'. Count the occurrences of the word 'people' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'there is a man that is playing tennis on the court'. Count the occurrences of the word 'is' in the given sentence.
[EX A]:
2