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

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

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