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

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

*GRAMMAR*
fep -> PINK 
 lug -> GREEN 
 dax -> BLUE 
 tufa -> YELLOW 
 u1 blicket u2 -> [u1] [u2] 
 u1 zup x1 -> [x1] [u1] 
 x1 gazzer x2 -> [x1] [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 