What will be the output of the following C++ code?

#include <iostream>
#include <string>
using namespace std;
class Box{
    int capacity;
    bool operator<(Box b){
	return this->capacity < b.capacity ? true : false;
    }
public:
    Box(){}
    Box(double capacity){
	this->capacity = capacity;
    }
};
int main(int argc, char const *argv[])
{
    Box b1(10);
    Box b2 = Box(14);
    if(b1 < b2){
	cout<<"Box 2 has large capacity.";
    }
   else{
	cout<<"Box 1 has large capacity.";
    }
    return 0;
}

A. Error

B. Segmentation fault

C. Box 2 has large capacity

D. No output

Answer: Option A