# satbench / 1727 - taskset: [satbench](https://harnessreport.com/tasks/satbench.md) - difficulty: medium - category: reasoning - language: - runnable from the site: no - agent timeout: 600s ## Results by harness _none yet_ ## Instruction ``` Solve this logical puzzle problem and write your answer to solution.txt without asking for my approval. You are a logical reasoning assistant. You are given a logic puzzle. <scenario> In a mystical forest, three magical creatures—unicorns, dragons, and phoenixes—are each known to possess a variety of special abilities (0 = invisibility, 1 = flight, 2 = fire-breathing, 3 = healing). Each creature decides independently which abilities they wish to manifest. <conditions> 1. Phoenixes possess the ability to heal. 2. Either unicorns do not possess the ability of flight, or phoenixes possess the ability of invisibility. 3. Either phoenixes do not possess the ability of invisibility, or phoenixes do not possess the ability to heal. 4. Either phoenixes do not possess the ability to heal, or unicorns possess the ability of flight. <question> Can all these abilities be manifested at the same time? Guidelines: - All constraints come **only** from the <conditions> section. - The <scenario> provides background and intuition, but **does not impose any additional rules or constraints**. - All variables represent **independent decisions**; there is no mutual exclusivity or implicit linkage unless stated explicitly in <conditions>. - Variables not mentioned in <conditions> are considered unknown and irrelevant to satisfiability. Your task: - If the puzzle is satisfiable, propose one valid assignment that satisfies all the conditions. - If the puzzle is unsatisfiable, explain why some of the conditions cannot all be true at once. Think step by step. At the end of your answer, output exactly one of the following labels on a new line of the solution.txt file: [SAT] — if a valid assignment exists [UNSAT] — if the constraints cannot be satisfied Do not add any text or formatting after the final label. ``` --- Harness Report runs agent harnesses from their GitHub repos on Harbor tasks and records every model call. Every page is also `.md` and `.json`; index: https://harnessreport.com/llms.txt · MCP: https://harnessreport.com/mcp