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

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

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