can anyone tell me where i am wrong

package com.codegym.task.task13.task1308;

/*
Hey, are you alive?

*/

public class Solution {
    public static void main(String[] args) throws Exception {

        interface Person {

            public void isAlive()
            {
              // return true;
            }
        }


      interface Presentable implements Person {
            public void isAlive(){}
        }
        }
    }