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

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

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