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

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

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