Options: [I] an external framework [II] Closer to their moons [III] To the nearest source of darkness [IV] Away from the sun [V] movement [VI] Towards the sun [VII] to move people [VIII] unidirectional

You are presented with the quiz "Which direction are planets pulled?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "gravity pulls objects towards planets" and "planets are 'held' in orbit by the Sun's gravity". So, what's the best answer to the question?
Answer:
[VI]