In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Input: Consider Input: Context: The Yugoslav Partisans has launched a major assault on Korenica and Udbina Link Information: none Answer: none

Output: Who led the group that launched a major assault on Korenica and Udbina?


Input: Consider Input: Context: Romanovychi displaced the older line of Izyaslavychi from Turov and Volhynia as well as Rostyslavychi from Galicia. The last were two brothers of Romanovychi, Andrew and Lev II, who ruled jointly Link Information: none Answer: none

Output: Of the last two Ruthenian kings were joint rulers, which was the oldest?


Input: Consider Input: Context: A stack of thin films is called a multilayer. Link Information: none Answer: none


Output: How many thin films need to be stacked to have a special label applied to them?