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

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

*GRAMMAR*
wif -> RED 
 zup -> GREEN 
 dax -> PINK 
 tufa -> PURPLE 
 x1 gazzer x2 -> [x1] [x1] [x2] [x2] [x1] 
 u1 blicket -> [u1] [u1] 
 u1 fep u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 