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

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

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