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

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

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