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

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

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