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

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

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