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

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

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