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

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

*GRAMMAR*
blicket -> PURPLE 
 wif -> BLUE 
 dax -> GREEN 
 tufa -> RED 
 x1 lug u1 -> [u1] [u1] [x1] 
 x1 fep u1 -> [u1] [u1] [x1] 
 x1 zup x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 