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

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

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