import java.util.ArrayList;
import java.util.List;

interface Chewable {}
class Meat implements Chewable {}

public class Tester {

	public static void main(String[] args) {
		
		List<? extends Chewable> list1 = new ArrayList<Meat>(); // Line 11
		
		List<Chewable> list2           = new ArrayList<Chewable>(); // Line 13
		
		Meat meat = new Meat();
		
		list1.add(meat); // Line 17
		
		list2.add(meat); // Line 19
	}
}
                                

A  Line 11

B  Line 13

C  Line 17

D  Line 19