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

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

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