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

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

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