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

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

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