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

Input: Consider Input: Sentence: 'a man with glasses a collar shirt and a tie on'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'people standing around on the side the orad with a bus and jeep close to them'. Count the occurrences of the word 'the' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a woman holds a furry dog by its leash'. Count the occurrences of the word 'dog' in the given sentence.


Output: 1