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

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

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