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

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

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