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

Input: Consider Input: Sentence: 'a sign pointing towards a mcdonalds is posted on a traffic light pole'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a young boy barefoot holding an umbrella touching the horn of a cow'. Count the occurrences of the word 'touching' in the given sentence.

Output: 1


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


Output: 1