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

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

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