01Question and scope
Is the fictional exhibition open on Sunday?
02Claim from source A / location
A1: exhibition opens Saturday and Sunday
03Claim from source B / location
B1: visitor guide says weekend opening
04Evidence each source provides
A gives organizer schedule; B cites A
05Agreement or difference
Apparently agree about Sunday
06Independence / date check
B repeats A; dates of applicability not supplied
07Next verification / conclusion
Check current organizer notice; Sunday not yet verified