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

Input: Consider Input: Sentence: 'a man on a surf board holding on to a sail in the ocean'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'the stop sign on the corner of freeze rd and misty ln'. Count the occurrences of the word 'the' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a baseball player is running in a field'. Count the occurrences of the word 'a' in the given sentence.


Output: 2