*SUPPORT*
IN: tufa wif OUT: BLUE BLUE
IN: zup lug blicket OUT: RED PURPLE
IN: zup dax zup OUT: RED RED
IN: blicket lug gazzer OUT: PURPLE YELLOW
IN: gazzer lug blicket OUT: YELLOW PURPLE
IN: tufa zup dax tufa OUT: BLUE BLUE RED
IN: gazzer lug gazzer OUT: YELLOW YELLOW
IN: tufa OUT: BLUE
IN: tufa blicket tufa dax tufa OUT: BLUE PURPLE BLUE BLUE
IN: zup lug zup OUT: RED RED
IN: blicket OUT: PURPLE
IN: gazzer tufa OUT: YELLOW BLUE
IN: gazzer zup dax blicket OUT: YELLOW PURPLE RED
IN: tufa dax tufa OUT: BLUE BLUE

*QUERY*
IN: zup dax gazzer OUT: YELLOW RED
IN: gazzer dax zup OUT: RED YELLOW
IN: gazzer OUT: YELLOW
IN: zup zup wif OUT: RED RED RED
IN: tufa dax zup OUT: RED BLUE
IN: gazzer dax tufa OUT: BLUE YELLOW
IN: blicket wif OUT: PURPLE PURPLE
IN: zup wif OUT: RED RED
IN: tufa lug zup OUT: BLUE RED
IN: gazzer wif OUT: YELLOW YELLOW

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