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

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

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