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

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

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