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

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

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