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

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

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