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

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

*GRAMMAR*
lug -> BLUE 
 fep -> PURPLE 
 tufa -> YELLOW 
 gazzer -> RED 
 u1 kiki -> [u1] [u1] 
 x1 wif x2 -> [x1] [x2] 
 x1 dax u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 