errors regarding main and variables

#include<iostream>

using namespace std;

class crcpara
{
public:
	void chooser_disp()
	{
		cout << "\t no:      name of the ocean \n";
		cout << "\t 1        Indian ocean \n";
		cout << "\t 2        pacific ocean \n";
		cout << "\t 3        atlantic ocean \n";
		cout << "\t 4        articic ocean \n";
	}
};

int main()
{
	crcpara plm;
	cout << " hello, this program is for enterpreuners and NOT for kids, so maintain caution "<<endl;
	cout << " please choose the ocean which your going to fish in "<<endl;
	plm.chooser_disp();
	cin.get();
	return 0;
}