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

*QUERY*
IN: gazzer tufa OUT: YELLOW YELLOW
IN: wif OUT: PURPLE
IN: lug fep wif fep lug OUT: BLUE PURPLE BLUE
IN: wif blicket tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: lug blicket tufa OUT: BLUE BLUE BLUE BLUE
IN: wif gazzer OUT: PURPLE YELLOW
IN: lug fep gazzer blicket OUT: YELLOW BLUE YELLOW BLUE
IN: gazzer tufa tufa blicket OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif wif tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: wif tufa tufa OUT: PURPLE PURPLE PURPLE PURPLE

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