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

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

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