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

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

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