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

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

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