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

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

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