Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.

Input: Consider Input: The military aspect of the war began with the Armistice of Mudros. The military operations of the Greco-Turkish war can be roughly divided into three main phases: the first phase, spanning the period from May 1919 to October 1920, encompassed the Greek Landings in Asia Minor and their consolidation along the Aegean Coast. The second phase lasted from October 1920 to August 1921, and was characterised by Greek offensive operations. The third and final phase lasted until August 1922, when the strategic initiative was held by the Turkish Army.

Output: What was the shortest phase of the war?


Input: Consider Input: Contrary to earlier beliefs, viruses are not the smallest causative agents of infectious diseases. Single-stranded RNAs as small as 246 nucleotides exist in certain higher plants and cause more than a dozen crop diseases. These RNAs have been termed viroids. Despite their extremely limited information content, viroids replicate autonomously in susceptible cells--that is, they do not require helper functions from simultaneously replicating conventional viruses. Viroids are covalently closed circular molecules with a characteristic rodlike secondary structure in which short helical regions are interrupted by internal and bulge loops. Viroids are not translated; they are replicated by a host enzyme (or enzymes) (probably RNA polymerase II) via oligomeric RNA intermediates by a rolling circle mechanism. Viroidlike satellite RNAs resemble viroids in size and molecular structure, but are found within the capsids of specific helper viruses on which they depend for their own replication. These RNAs are of great interest to molecular biology for at least two reasons: 1) they are the smallest and simplest replicating molecules known, and 2) they may represent living fossils of precellular evolution in a hypothetical RNA world.

Output: Which are the smallest known subviral pathogens of plants?


Input: Consider Input: Don Quijote cabalga de nuevo (English: Don Quijote Rides Again) is a 1973 Spanish-Mexican comedy film directed by Roberto Gavaldon based on Miguel de Cervantes's novel Don Quixote, starring Cantinflas as Sancho Panza, Fernando Fernan Gomez as Don Quixote, and Maria Fernanda D'Ocon as Dulcinea.


Output: Which is the basis of Don Quijote cabalga de nuevo?