Based on the context and the answer, generate a question. 

Context: There was a red couch , yellow chair , red table , half yellow and half red carpet . All red and yellow . I then went along and started opening doors . One door led to another red and yellow cozy looking bedroom , another had led to a red / yellow bathroom , but the last room on the first floor ( there were two ) was locked .

Answer:

It is locked from the inside .



What may be a plausible fact about the last room on the first floor ?