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

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

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