question:  What don't Mia and Ri have in common?
context: Extrone asked, "Is there a pass?" Right up ahead of us. "We'll pitch camp right here, then," Extrone said. He crossed to Mia, who, along with him, had been pressed into Extrone's party as guides. Once more, Ri addressed the bearers, "Be quick, now!" "What hurts most, he pays us for it. "You two scout ahead," Extrone said. "Yes, sir," Ri said, and instantly the two of them readjusted their shoulder straps and started off. And I don't think there's another cargo rocket on this planet outside of the one we leased from the Club. "Everybody and his brother had heard the rumor that farn beasts were somewhere around here. "After Extrone said he'd hunt farn beasts, even if it meant going to the alien system? I didn't tell Extrone, if that's what you're thinking," Mia said. It was a military craft, from the outpost on the near moon, and forward, near the nose, there was the blazoned emblem of the Ninth Fleet. The rocket roared directly over Extrone's tent, turned slowly, spouting fuel expensively, and settled into the scrub forest, turning the vegetation beneath it sere by its blasts. "You'll destroy this one, too," Extrone said. Extrone said, "To begin with, they probably don't even know I'm here. Extrone plucked at his right ear lobe, half closing his eyes. "You'll lose a fleet before you'll dare let anything happen to me, gentlemen. "Get off," Extrone said quietly to the four officers. The takeoff blast of the rocket illuminated the area, casting weird shadows on the gently swaying grasses; there was a hot breath of dry air and the rocket dwindled toward the stars. Extrone said, turning, startled. The floor, heavy, portable tile blocks, not the hollow kind, were neatly and smoothly inset into the ground.
output:  they both think Extrone is going to kill them
options:  they both think Extrone is going to kill them  they've killed farn beasts  they're businessmen  they both dislike Extrone