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

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

*GRAMMAR*
gazzer -> PURPLE 
 tufa -> YELLOW 
 wif -> RED 
 lug -> BLUE 
 u1 fep x1 -> [x1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 