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

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

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