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

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

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