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

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

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