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

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

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