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

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

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