Which of the following shows the contents of vector v1 and v2 after running this code?

std::vector<int> v1{1,2,3},v2;
v2=v1;
v1.push_back(4);
v2.push_back(5);

• Error
• v1:{1,2,3,4}; v2:{5};
• v1:{1,2,3,4,5}; v2:{1,2,3,4,5};
• v1:{1,2,3,4}; v2:{1,2,3,5};