*SUPPORT*
IN: blicket tufa dax lug dax gazzer OUT: RED PURPLE RED RED RED RED RED
IN: dax tufa zup OUT: BLUE RED BLUE
IN: blicket lug zup OUT: PURPLE BLUE BLUE
IN: blicket fep tufa dax OUT: PURPLE RED GREEN RED
IN: dax gazzer lug blicket tufa zup OUT: RED RED BLUE PURPLE BLUE BLUE PURPLE BLUE
IN: blicket tufa dax OUT: RED PURPLE RED
IN: fep OUT: GREEN
IN: dax OUT: RED
IN: zup tufa blicket OUT: PURPLE BLUE PURPLE
IN: blicket fep gazzer OUT: PURPLE GREEN GREEN
IN: blicket gazzer OUT: PURPLE PURPLE
IN: fep gazzer OUT: GREEN GREEN
IN: fep tufa fep OUT: GREEN GREEN GREEN
IN: blicket fep lug blicket gazzer OUT: PURPLE GREEN PURPLE PURPLE PURPLE PURPLE

*QUERY*
IN: dax tufa fep OUT: GREEN RED GREEN
IN: fep blicket tufa dax OUT: GREEN RED PURPLE RED
IN: dax fep tufa blicket OUT: RED PURPLE GREEN PURPLE
IN: zup gazzer OUT: BLUE BLUE
IN: zup blicket OUT: BLUE PURPLE
IN: dax blicket gazzer OUT: RED PURPLE PURPLE
IN: dax gazzer OUT: RED RED
IN: blicket tufa blicket OUT: PURPLE PURPLE PURPLE
IN: blicket OUT: PURPLE
IN: zup blicket gazzer OUT: BLUE PURPLE PURPLE

*GRAMMAR*
blicket -> PURPLE 
 fep -> GREEN 
 dax -> RED 
 zup -> BLUE 
 u1 tufa u2 -> [u2] [u1] [u2] 
 x1 lug x2 -> [x1] [x2] [x2] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 