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

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

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