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

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

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