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

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

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