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

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

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