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

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

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