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

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

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