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

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

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