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

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

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