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

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

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