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

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

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