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

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

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