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

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

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