*SUPPORT*
IN: lug OUT: YELLOW
IN: wif OUT: RED
IN: wif tufa gazzer OUT: RED PURPLE PURPLE
IN: wif fep kiki OUT: RED BLUE
IN: kiki gazzer OUT: BLUE BLUE
IN: lug fep kiki OUT: YELLOW BLUE
IN: tufa gazzer OUT: PURPLE PURPLE
IN: tufa wif gazzer OUT: PURPLE RED RED
IN: lug gazzer OUT: YELLOW YELLOW
IN: wif dax lug OUT: RED RED YELLOW
IN: wif fep wif OUT: RED RED
IN: kiki wif tufa OUT: BLUE RED PURPLE
IN: lug dax tufa OUT: YELLOW YELLOW PURPLE
IN: wif fep lug OUT: RED YELLOW

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

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