This task involves annotating the answer type to a given question that involve some kind of complex reasoning (including numerical reasoning). Note that the questions require looking at more than one part of the passage to answer. There are 3 possible answer types (i) spans, (ii) numbers and (iii) dates. If the answer can be found in the passage, label it as "span". If the answer is a number, label as "number". Similarly, label "date" if you think the answer to the given question is a date.

Passage: Galicia-Volhynia Wars were several wars fought in the years 1340-1392 over the succession in the Principality of Galicia-Volhynia . After Boleslaw-Yuri II was poisoned by local nobles in 1340, both Grand Duchy of Lithuania and Kingdom of Poland advanced claims over the principality. After a prolonged conflict, Galicia-Volhynia was divided between Poland and Lithuania and the principality ceased to exist as an independent state. Poland acquired a territory of approximately 52,000 square kilometres with 200,000 inhabitants.
Question: When did Galicia-Volhynia cease to exist?
date