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

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

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