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

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

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