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

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

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