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

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

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