input: Text: (A) Walsh sends Polk on a fools errand in order to trick him into time away from Earth so that Walsh can botch the occupation on Mars once and for all. (B) Walsh sends Major Polk on a fools errand so that he can trick Polk into the Venusian jungle and kill him, serving as revenge for the embarrassment Polk caused him years ago. (C) Walsh sends Polk on a fools errands in order to trick him into a full time job on Venus. (D) Walsh sends Polk on a fools errand in order to trick him into finding trader Joe, who is responsible for some of Walsh’s recent military problems. A PLANET NAMED JOE By S. A. LOMBINO There were more Joes on Venus than you could shake a ray-gun at. Perhaps there was method in Colonel Walsh's madness—murder-madness—when he ordered Major Polk to scan the planet for a guy named Joe. Colonel Walsh had a great sense of humor. I hated his guts ever since we went through the Academy together, but he had a great sense of humor. For example, he could have chosen a Second Looie for the job on Venus. He might even have picked a Captain. But he liked me about as much as I liked him, and so he decided the job was just right for a Major. At least, that's what he told me. I stood at attention before his desk in the Patrol Station. We were somewhere in Area Two on Earth, takeoff point for any operations in Space II. The duty was fine, and I liked it a lot. Come to think of it, the most I ever did was inspect a few defective tubes every now and then. The rest was gravy, and Colonel Walsh wasn't going to let me get by with gravy. "It will be a simple assignment, Major," he said to me, peering over his fingers. He held them up in front of him like a cathedral. "Yes, sir," I said. "It will involve finding one man, a Venusian native." I wanted to
  Question: What is the significance of the mission Colonel Walsh gives Major Polk? 
  Answer:
output: Walsh sends Major Polk on a fools errand so that he can trick Polk into the Venusian jungle and kill him, serving as revenge for the embarrassment Polk caused him years ago.