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

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

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