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

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

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