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

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

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