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

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

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