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

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

*GRAMMAR*
zup -> PURPLE 
 fep -> GREEN 
 dax -> RED 
 wif -> PINK 
 x1 gazzer x2 -> [x1] [x2] 
 x1 kiki u1 -> [x1] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 