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

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

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