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

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

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