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

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

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