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

Input: Consider Input: Sentence: 'a big rig is driving through a construction site'. Count the occurrences of the word 'big' in the given sentence.

Output: 1


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: 'a man is cooking some food outdoors while a group of people gather near the water behind him'. Count the occurrences of the word 'a' in the given sentence.


Output: 2