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

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

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