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

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

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