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

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

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