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

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

*GRAMMAR*
tufa -> PURPLE 
 wif -> YELLOW 
 zup -> GREEN 
 dax -> RED 
 u1 gazzer -> [u1] [u1] 
 u1 fep x1 -> [u1] [x1] 
 x1 blicket x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 