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

*QUERY*
IN: lug blicket wif OUT: GREEN RED
IN: gazzer wif OUT: BLUE RED
IN: wif dax lug blicket gazzer OUT: GREEN BLUE RED
IN: wif lug dax wif OUT: RED RED GREEN
IN: gazzer dax wif OUT: RED BLUE
IN: wif OUT: RED
IN: gazzer OUT: BLUE
IN: lug OUT: GREEN
IN: gazzer wif blicket gazzer OUT: BLUE RED BLUE
IN: kiki OUT: PURPLE

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