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

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

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