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

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

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