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

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

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