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

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

*GRAMMAR*
fep -> BLUE 
 gazzer -> GREEN 
 dax -> PURPLE 
 zup -> RED 
 x1 wif x2 -> [x2] [x1] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 