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

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

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