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

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

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