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

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

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