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

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

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