Detailed Instructions: 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:It is shared by Germany and Poland .
Solution:
Szczecin Lagoon , Stettin Lagoon , Bay of Szczecin , or Stettin Bay , also Oder lagoon , is a lagoon in the Oder estuary , shared by Germany and Poland .