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

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

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