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

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

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