input: Text: THE STARBUSTERS By ALFRED COPPEL, JR. A bunch of kids in bright new uniforms, transiting the constellations in a disreputable old bucket of a space-ship—why should the leathery-tentacled, chlorine-breathing Eridans take them seriously? HQ TELWING CSN 30 JAN 27 TO CMDR DAVID FARRAGUT STRYKALSKI VII CO TRS CLEOPATRA FLEET BASE CANALOPOLIS MARS STOP SUBJECT ORDERS STOP ROUTE LUNA PHOBOS SYRTIS MAJOR TRANSSENDERS PRIORITY AAA STOP MESSAGE FOLLOWS STOP TRS CLEOPATRA AND ALL ATTACHED AND OR ASSIGNED PERSONNEL HEREBY RELIEVED ASSIGNMENT AND DUTY INNER PLANET PATROL GROUP STOP ASSIGNED TEMP DUTY BUREAU RESEARCH AND DEVELOPMENT STOP SUBJECT VESSEL WILL PROCEED WITHOUT DELAY FLEET EXPERIMENTAL SUBSTATION PROVING GROUNDS TETHYS SATURNIAN GROUP STOP CO WILL REPORT UPON ARRIVAL TO CAPT IVY HENDRICKS ENGINEERING OFFICER PROJECT WARP STOP SIGNED H. GORMAN SPACE ADMIRAL COMMANDING STOP END MESSAGE END MESSAGE END MESSAGE. "Amen! Amen! Amen! Stop." Commander Strykalski smoothed out the wrinkled flimsy by spreading it carefully on the wet bar. Coburn Whitley, the T.R.S. Cleopatra's Executive, set down his Martini and leaned over very slowly to give the
  Question: Why did the Eridians engage in war?
  
   (A) Their ability to overtake new planets and systems was threatened
   (B) They sensed the Tellurians were going to ambush them and acted in defense
   (C) They did not engage in war
   (D) They sought revenge on the Tellurians
  Answer:
output: Their ability to overtake new planets and systems was threatened