In this task, you need to count the occurrences of the given word in the given sentence.
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Question: Sentence: 'a large clock mounted to the side of a tall building'. Count the occurrences of the word 'a' in the given sentence.

Answer: 2

Question: Sentence: 'five bags of luggage sitting on to of a floor'. Count the occurrences of the word 'to' in the given sentence.

Answer: 1

Question: Sentence: 'a person stands in the distance in front of trees and a wooden fence'. Count the occurrences of the word 'a' in the given sentence.

Answer:
2