If we were to find another solar system in which the planets obeyed the left-hand rule, what would we conclude?

a. That solar system was formed in a completely different way from ours.  

b. The planets of that solar system would spin in all different directions.

c. The orbits of the planets in that solar system would be opposite to their spins.

d. Both spin and orbital direction would be opposite to our solar system.

e. There would be no way to tell it from a right-hand system.