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

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

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