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

[EX Q]: Sentence: 'a large building with a cross at the very top and a clock below it'. Count the occurrences of the word 'cross' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'a white and gray cat is in a bathroom sink'. Count the occurrences of the word 'white' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'zebra and a another animal in a field at a zoo'. Count the occurrences of the word 'a' in the given sentence.
[EX A]:
3