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

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

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