input: Text: THRALLS of the ENDLESS NIGHT By LEIGH BRACKETT The Ship held an ancient secret that meant life to the dying cast-aways of the void. Then Wes Kirk revealed the secret to his people's enemies—and found that his betrayal meant the death of the girl he loved. Wes Kirk shut his teeth together, hard. He turned his back on Ma Kirk and the five younger ones huddled around the box of heat-stones and went to the doorway, padding soft and tight with the anger in him. He shoved the curtain of little skins aside and crouched there with his thick shoulders fitted into the angle of the jamb, staring out, cold wind threading in across his splayed and naked feet. The hackles rose golden and stiff across Kirk's back. He said carefully, "I would like to kill the Captain and the First Officer and the Second Officer and all the little Officers, and the Engineers, and all their families." His voice carried inside on the wind eddies. Ma Kirk yelled, "Wes! You come here and let that curtain down! You want us all to freeze?" Her dark-furred shoulders moved rhythmically over the rocking child. She added sharply, "Besides, that's fool's talk, Jakk Randl's talk, and only gets the sucking-plant." "Who's to hear it?" Kirk raised his heavy overlids and let his pupils widen, huge liquid drops spreading black across his eyeballs, sucking the dim grey light into themselves, forcing line and shape out of blurred nothingness. He made no move to drop the curtain. The same landscape he had stared at since he was able to crawl by himself away from the box of heat-stones. Flat grey plain running right and left to the little curve of the horizon. Rocks on it, and edible moss. Wind-made gullies with grey shrubs thick in their bottoms, guarding their sour
  Question: What happened to Kirk's father?
  
   (A) His father was killed by a fellow citizen
   (B) His father was trapped in a barrier until he died
   (C) His father was killed by the enemy
   (D) His father accidentally fell to his death
  Answer:
output: His father was killed by a fellow citizen