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

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

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