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

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

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