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

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

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