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

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

*GRAMMAR*
zup -> GREEN 
 gazzer -> RED 
 dax -> YELLOW 
 fep -> BLUE 
 x1 wif u1 -> [x1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 