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

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

*GRAMMAR*
tufa -> YELLOW 
 gazzer -> PINK 
 wif -> GREEN 
 zup -> PURPLE 
 x1 dax -> [x1] [x1] [x1] [x1] 
 x1 fep u1 -> [x1] [u1] [u1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 