*SUPPORT*
IN: dax gazzer dax blicket zup OUT: GREEN RED GREEN
IN: zup lug OUT: RED RED
IN: tufa zup gazzer wif OUT: PINK RED YELLOW
IN: tufa tufa OUT: PINK PINK
IN: zup lug gazzer dax gazzer zup lug OUT: RED RED GREEN RED RED
IN: tufa blicket wif OUT: YELLOW PINK
IN: tufa zup blicket dax gazzer wif blicket zup OUT: PINK GREEN RED RED YELLOW
IN: dax OUT: GREEN
IN: zup zup dax gazzer dax tufa blicket dax OUT: RED RED GREEN GREEN GREEN PINK
IN: wif blicket tufa OUT: PINK YELLOW
IN: wif OUT: YELLOW
IN: zup blicket tufa OUT: PINK RED
IN: zup zup OUT: RED RED
IN: tufa blicket tufa OUT: PINK PINK

*QUERY*
IN: tufa dax zup blicket dax gazzer tufa OUT: PINK GREEN GREEN RED PINK
IN: wif gazzer dax blicket wif OUT: YELLOW YELLOW GREEN
IN: dax lug OUT: GREEN GREEN
IN: tufa lug OUT: PINK PINK
IN: zup blicket wif gazzer tufa OUT: YELLOW RED PINK
IN: zup OUT: RED
IN: tufa lug gazzer wif zup blicket wif OUT: PINK PINK YELLOW YELLOW RED
IN: zup lug gazzer dax wif tufa dax OUT: RED RED GREEN YELLOW PINK GREEN
IN: wif blicket zup OUT: RED YELLOW
IN: dax blicket zup OUT: RED GREEN

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