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

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

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