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

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

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