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

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

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