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

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

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