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.

Long John Silver 's is a fast food restaurant that sells mainly seafood .
Long John Silver 's LLC ( also formerly known as Long John Silver 's Seafood Shop and sometimes abbreviated as LJS ) is an American fast food restaurant chain that specializes in seafood .