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

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

*GRAMMAR*
wif -> PURPLE 
 lug -> PINK 
 dax -> BLUE 
 gazzer -> GREEN 
 x1 fep x2 -> [x2] [x2] [x1] 
 x1 tufa u1 -> [x1] [x1] [u1] 
 u1 kiki u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 