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

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

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