query: A problem out of reach for forever
positive_passages.docid: 27356
positive_passages.text: Lower bound on proof length
negative_passages.docid: 28432
negative_passages.text: No contacts available - no landing request possible
negative_passages.docid: 155756
negative_passages.text: Is this problem ill-defined?
negative_passages.docid: 74908
negative_passages.text: Limited options in a certain area?
negative_passages.docid: 38380
negative_passages.text: An infinite Penney's game.
negative_passages.docid: 132041
negative_passages.text: Numbers which cannot be formed
negative_passages.docid: 11807
negative_passages.text: Chasing something that doesn't exist
negative_passages.docid: 122505
negative_passages.text: No out of bounds error
negative_passages.docid: 116153
negative_passages.text: The Notorious Triangle Problem
negative_passages.docid: 154217
negative_passages.text: Can't come even near to the solution.. Can somebody take a look?
negative_passages.docid: 83542
negative_passages.text: A natural problem in $\textrm{S}_2^\textrm{P}$?
negative_passages.docid: 133935
negative_passages.text: Challenges with Key with Gaps?
negative_passages.docid: 41134
negative_passages.text: Nearby objects won't move independently?
negative_passages.docid: 133970
negative_passages.text: The solution to the problem is more complicated than the problem
negative_passages.docid: 24100
negative_passages.text: My program does not stop on condition
negative_passages.docid: 34409
negative_passages.text: Action won't go away!
negative_passages.docid: 128537
negative_passages.text: Block on a block problem, with friction