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

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

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