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

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

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