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

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

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