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

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

*GRAMMAR*
zup -> YELLOW 
 dax -> BLUE 
 lug -> RED 
 fep -> PINK 
 u1 wif u2 -> [u1] [u1] [u2] 
 x1 blicket u1 -> [x1] [u1] 
 u1 tufa x1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 