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

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

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