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

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

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