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

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

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