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

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

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