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

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

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