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

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

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