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

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

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