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

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

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