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

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

*GRAMMAR*
zup -> BLUE 
 tufa -> PINK 
 wif -> PURPLE 
 blicket -> RED 
 x1 lug x2 -> [x2] [x1] 
 x1 dax u1 -> [u1] [x1] [x1] 
 x1 kiki x2 -> [x1] [x2] [x2] [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 