Read the following context and choose the best option to answer the 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 .
Question: What may be a plausible fact about the last room on the first floor ?
Options: 
- It is a large bathroom .
 - I have already opened the door to it .
 - It contains the colors red and yellow just like the rest of the rooms do .
 - None of the above choices .


It contains the colors red and yellow just like the rest of the rooms do .