TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: The main story is that Hyas was killed in a hunting accident , so the Hyades wept because of their grief .

SOLUTION: The main myth concerning them is envisioned to account for their collective name and to provide an etiology for their weepy raininess : Hyas was killed in a hunting accident and the Hyades wept from their grief .

PROBLEM: Today similar flare stars are classified as UV Ceti type variable stars in variable star catalogs .

SOLUTION: Today similar flare stars are classified as UV Ceti type variable stars ( using the abbreviation UV ) in variable star catalogs such as the General Catalogue of Variable Stars .

PROBLEM: The first school in Finland was established in Turku , the old Cathedral school in 13th century .

SOLUTION:
Turku has a longer educational history than any other Finnish city – the first school in the city , the Cathedral School , was founded along with Turku Cathedral in the late 13th century .