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

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

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