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

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

*GRAMMAR*
zup -> PINK 
 gazzer -> PURPLE 
 lug -> RED 
 dax -> BLUE 
 u1 wif u2 -> [u1] [u2] 
 x1 blicket x2 -> [x1] [x2] 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 