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

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

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