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

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

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