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

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

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