instruction:
In this task, you need to count the occurrences of the given word in the given sentence.
question:
Sentence: 'a smiling young man with a furry hood sitting on a train'. Count the occurrences of the word 'a' in the given sentence.
answer:
3


question:
Sentence: 'a toddler and baby on a wooden floor scatter with papers'. Count the occurrences of the word 'a' in the given sentence.
answer:
2


question:
Sentence: 'a black pug sitting in an arm chair'. Count the occurrences of the word 'chair' in the given sentence.
answer:

1