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

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

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