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

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

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