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

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

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