*SUPPORT*
IN: tufa OUT: YELLOW
IN: fep zup OUT: GREEN GREEN
IN: lug dax kiki OUT: BLUE RED
IN: lug zup blicket fep zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN BLUE BLUE
IN: fep dax kiki blicket fep zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN RED
IN: kiki OUT: RED
IN: lug zup OUT: BLUE BLUE
IN: tufa zup blicket fep dax fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN YELLOW YELLOW
IN: tufa dax fep OUT: YELLOW GREEN
IN: lug lug OUT: BLUE BLUE
IN: fep kiki zup OUT: GREEN RED RED
IN: tufa kiki zup OUT: YELLOW RED RED
IN: kiki dax tufa OUT: RED YELLOW
IN: fep blicket tufa OUT: YELLOW YELLOW YELLOW GREEN

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

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