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

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

*GRAMMAR*
fep -> YELLOW 
 tufa -> GREEN 
 dax -> PURPLE 
 kiki -> PINK 
 x1 blicket x2 -> [x1] [x1] [x2] 
 u1 zup u2 -> [u2] [u1] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 