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

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

*GRAMMAR*
lug -> GREEN 
 dax -> BLUE 
 wif -> RED 
 tufa -> PURPLE 
 x1 gazzer x2 -> [x1] [x1] [x2] [x1] 
 u1 fep -> [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 