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

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

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