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

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

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