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

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

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