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

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

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