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

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

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