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

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

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