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

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

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