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

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

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