Pistol Pete wants to rip a pair of jeans. First he ties his jeans to a large tree, and attaches the other end of his jeans to his horse which is capable of puling with force F. Then, instead, he attaches one end to his horse, and attaches the other end to another identitical horse (through the miracles of cloning) so that they pull in opposite directions. In which case is he more likely to be able to rip his jeans in half.
A. First case    B. Second case    C. Both the same