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

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

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