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

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

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