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

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

*GRAMMAR*
dax -> PURPLE 
 fep -> YELLOW 
 wif -> GREEN 
 zup -> RED 
 x1 kiki u1 -> [x1] [u1] 
 u1 blicket u2 -> [u2] [u1] [u2] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 