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.

Ex Input:
F.C. Barcelona is a Spanish football club from Barcelona , Catalonia .

Ex Output:
Futbol Club Barcelona ( -RSB- ) , commonly referred to as Barcelona and colloquially known as Barc a ( -RSB- ) , is a Spanish professional football club based in Barcelona , Catalonia , Spain .

Ex Input:
The feral domestic pigeon is often called the " rock dove " : it is common in many cities .

Ex Output:
The species most commonly referred to as " pigeon " is the species known by scientists as the rock dove , one subspecies of which , the domestic pigeon , is common in many cities as the feral pigeon .

Ex Input:
The American Psychiatric Association ( APA ) is a group of psychiatrists in the United States .

Ex Output:
The American Psychiatric Association ( APA ) is the main professional organization of psychiatrists and trainee psychiatrists in the United States , and the largest psychiatric organization in the world .