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

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

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