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

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

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