instruction:
In this task, you need to count the occurrences of the given word in the given sentence.
question:
Sentence: 'a tennis player is waiting to compete on a tennis court'. Count the occurrences of the word 'a' in the given sentence.
answer:
2


question:
Sentence: 'a young boy at a picnic table is holding half a donut'. Count the occurrences of the word 'a' in the given sentence.
answer:
3


question:
Sentence: 'a tall plant protrudes from a glass vase'. Count the occurrences of the word 'a' in the given sentence.
answer:

2