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

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

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