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

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

*GRAMMAR*
dax -> PURPLE 
 fep -> YELLOW 
 kiki -> RED 
 zup -> GREEN 
 u1 wif u2 -> [u1] [u1] [u2] [u1] 
 x1 lug -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 