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

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

*GRAMMAR*
fep -> PURPLE 
 wif -> BLUE 
 blicket -> GREEN 
 dax -> RED 
 x1 tufa u1 -> [u1] [x1] 
 u1 lug u2 -> [u1] [u2] [u2] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 