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

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

*GRAMMAR*
dax -> YELLOW 
 fep -> RED 
 gazzer -> PURPLE 
 blicket -> GREEN 
 x1 tufa u1 -> [u1] [x1] 
 x1 kiki -> [x1] [x1] 
 x1 zup x2 -> [x1] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 