instruction:
In this task, you need to count the occurrences of the given word in the given sentence.
question:
Sentence: 'a man sitting on a bench in a lobby'. Count the occurrences of the word 'a' in the given sentence.
answer:
3


question:
Sentence: 'a furry dog standing next to a fire hydrant'. Count the occurrences of the word 'a' in the given sentence.
answer:
2


question:
Sentence: 'a woman holds two small children with a baby in a seat on the floor nearby'. Count the occurrences of the word 'a' in the given sentence.
answer:

3