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

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

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