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

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

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