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

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

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