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

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

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