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

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

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