Newly married young couple preparing to decorate the house , a master bedroom a kids room , there are still two rooms available to + sofa bed in the den , storage room , guest bedroom with two selected , choose what is better ? Or there may be a better match ? If you choose two of them , there is little reason to , what is the reason to give up the other ? I think it is needed , but can be combined with study and guest bedroom that is the best place to make a small bed or tatami are all good choices