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

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

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