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

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

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