Talk:Yang Xiao Long/History/@comment-121.99.80.230-20131004083624/@comment-4010415-20131004113125

Monty said that "sis" is more than just a greeting, that they're actually related. But it's also been said that they're not blood-related sisters or something. They don't share both a mother and father through blood relation. So, we don't know if they're half-sisters, step-sisters, or if one or both of them is adopted.