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

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

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