*SUPPORT*
IN: kiki OUT: GREEN
IN: lug fep OUT: BLUE BLUE
IN: lug OUT: BLUE
IN: dax dax OUT: RED RED
IN: dax dax gazzer OUT: RED RED RED RED RED
IN: dax tufa blicket OUT: PINK RED
IN: dax kiki OUT: RED GREEN
IN: lug blicket tufa kiki OUT: BLUE GREEN PINK
IN: kiki dax gazzer OUT: GREEN RED RED RED RED
IN: blicket fep OUT: PINK PINK
IN: dax tufa kiki OUT: GREEN RED
IN: dax kiki gazzer OUT: RED GREEN GREEN GREEN GREEN
IN: kiki tufa lug OUT: BLUE GREEN
IN: lug gazzer OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: dax OUT: RED
IN: blicket lug kiki gazzer OUT: PINK BLUE GREEN GREEN GREEN GREEN
IN: blicket lug dax OUT: PINK BLUE RED
IN: kiki fep OUT: GREEN GREEN
IN: kiki tufa blicket OUT: PINK GREEN
IN: lug tufa blicket OUT: PINK BLUE
IN: dax fep OUT: RED RED
IN: blicket lug OUT: PINK BLUE
IN: dax tufa dax OUT: RED RED
IN: blicket gazzer OUT: PINK PINK PINK PINK

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