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

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

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