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

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

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