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

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

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