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

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

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