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

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

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