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 flat truck is behind a large group of farm animals'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a public bathroom with four toilet stalls and four urinals on the wall'. Count the occurrences of the word 'four' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a man playing baseball slides into home near the catcher'. Count the occurrences of the word 'the' in the given sentence.


Output: 1