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

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

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