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

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

*GRAMMAR*
dax -> GREEN 
 tufa -> PINK 
 fep -> RED 
 blicket -> BLUE 
 u1 gazzer x1 -> [x1] [u1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 