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

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

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