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

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

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