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

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

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