question:  Which isn't true about the Mercurians?
context: But now, on Mercury, he was selling his guns into the weirdest of all his exploits—gambling his life against the soft touch of a woman's lips. [Transcriber's Note: This etext was produced from Planet Stories Summer 1945. Only the native waiters, the enigmatic, yellow-eyed Mercurians, seemed unaffected by the heat. The real Mercurian patriots are against it, but they are afraid to protest. The revolution is scheduled to break during the Festival of the Rains. If it does, the Terrestrials here will be massacred. Jaro Moynahan wiped the sweat from his forehead with a fine duraweb handkerchief. The Mercurians worship him. Jaro Moynahan refilled their empty glasses. The girl started, glanced at the pianist, said with a shiver: "We can't locate Karfial Hodes. "Ah," said Jaro Moynahan; "so that's the way it is." One moment the garden was glowing in light, the next the hot black night swooped down on the revelers, pressing against their eyes like dark wool. On the hot, teeming planet of Mercury it was as refreshing as a cold plunge. Peet controlled the Latonka trade for which there was a tremendous demand throughout the Universe. These yellow-eyed Mercurians could see as well in the dark as any alley-prowling cat. For centuries they had lived most their lives beneath ground to escape the terrible rays of the sun. The Mercurian glanced at the bill, then back at the Earthman. If the girl had been abducted, only Mercurians could have engineered it in the dark; and the Mercurians were a clannish lot. Somewhere in those rat-runs was Karfial Hodes, the revolutionist, and the girl. They were never visible, but to his trained ears there came stealthy, revealing noises: the brush of cloth against the baked earth walls, the sly shuffle of a step. Jaro Moynahan In the East a sullen red glow stained the heavens like the reflection of a fire. The Mercurian dawn was about to break.
output:  most want a revolution
options:  they're peaceful people  most want a revolution  they can handle extreme heat  they can see well in the day