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

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

*GRAMMAR*
tufa -> BLUE 
 dax -> RED 
 wif -> YELLOW 
 gazzer -> GREEN 
 u1 lug u2 -> [u1] [u2] 
 x1 fep -> [x1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 