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

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

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