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

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

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