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

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

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