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

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

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