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

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

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