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

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

*GRAMMAR*
dax -> RED 
 blicket -> GREEN 
 wif -> BLUE 
 zup -> YELLOW 
 u1 fep x1 -> [u1] [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] [u1] [u2] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 