It’s either love or relationship.
Ambivalent: having mixed feelings about something
Incendiary: used or adapted for setting property on fire
Cerebral: betraying or characterized by the use of the intellect rather than intuition or instinct
Culpable: deserving blame or censure
So the answer is Option C).
Then I defy you, stars<span>! In Act V scene I </span>Romeo<span> has just found out that Juliet is dead. He is beside himself with grief and he curses "I defy you, stars," which means he denies fate. He denies fate's hold on him and he then plans to kill himself.</span>