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

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

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