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

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

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