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

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

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