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

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

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