C3L1A1S1S1R1O1O1M3S1
14 points
CLASSROOMS is validvalid
CLASSROOM, a room in which classes are taught [n]
CLASSROOM, a room in which children are confined, nominally for purposes of instruction [n]
CLASSROOM, a room in which classes are taught [n]
CLASSROOM, a room in which children are confined, nominally for purposes of instruction [n]