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

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

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