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

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

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