question:  What was the motivation behind Antlers Park's behavior?
context: What with red-spot fever, talking cockatoos and flagpole trees, I was running in circles—especially since Grannie became twins every now and then. They rose straight up like enormous cat-tails, with only a melon-shaped protuberance at the top to show they were a form of vegetation. He could be excused this time, however, for this was only our third day on Jupiter's Eighth Moon, and the country was still strange to us. If you haven't read her books, you've missed something. Blood-and-thunder as these books are, however, they have one redeeming feature—authenticity of background. Grannie Annie was the original research digger-upper, and when she laid the setting of a yarn on a star of the sixth magnitude, only a transportation-velocity of less than light could prevent her from visiting her "stage" in person. He was an old prospector Grannie had met, and he had become so attached to the authoress he now followed her wherever she went. As for Xartal, he was a Martian and was slated to do the illustrations for Grannie's new book. And then I was shaking hands with Antlers Park, the manager of I. V. himself. Antlers Park flicked the ash from his cheroot and shrugged. And when Antlers Park stuttered evasively, the old lady snorted, "Fiddlesticks, I never saw trouble yet that couldn't be explained. So now here we were at the outer reaches of the Baldric, four travelers on foot with only the barest necessities in the way of equipment and supplies. Xartal, the Martian illustrator, already had a notebook in his hands and was sketching a likeness of the creature. And then all at once Grannie stopped again, this time at the top of a high ridge. Apparently these adjustments moved planes or fins on the kite and accounted for the car's ability to move in any direction. "They walk out into the Baldric," he continued, "and nothing can stop them. Fully two hundred cockatoos were perched upon it.
output:  He wanted the mining to stop because it was causing Larynx Incorporated to become more powerful than Interstellar Voice
options:  He wanted Shalf Four all to himself and his team.  He wanted the mining to stop because it was causing Larynx Voice to become more powerful than Interstellar Incorporated  He wanted the mining to stop because it was causing Larynx Incorporated to become more powerful than Interstellar Voice  He wanted his heat gun invention to overpower Baker's inventions