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

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

*GRAMMAR*
kiki -> RED 
 lug -> GREEN 
 gazzer -> BLUE 
 dax -> PINK 
 x1 fep x2 -> [x2] [x1] 
 x1 tufa u1 -> [u1] [x1] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 