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

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

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