*SUPPORT*
IN: gazzer kiki gazzer fep OUT: PURPLE YELLOW PURPLE
IN: fep OUT: YELLOW
IN: fep zup OUT: YELLOW YELLOW YELLOW
IN: tufa kiki tufa kiki dax zup OUT: RED RED RED GREEN GREEN
IN: dax kiki dax OUT: RED RED
IN: tufa kiki tufa OUT: GREEN GREEN
IN: gazzer blicket tufa OUT: GREEN GREEN GREEN PURPLE
IN: tufa kiki tufa tufa OUT: GREEN GREEN GREEN
IN: dax zup OUT: RED RED RED
IN: tufa zup OUT: GREEN GREEN GREEN
IN: tufa tufa OUT: GREEN GREEN
IN: gazzer fep OUT: PURPLE YELLOW
IN: tufa dax blicket fep OUT: YELLOW YELLOW YELLOW GREEN RED
IN: fep kiki gazzer tufa OUT: PURPLE GREEN YELLOW

*QUERY*
IN: fep fep OUT: YELLOW YELLOW
IN: tufa OUT: GREEN
IN: dax fep blicket fep OUT: YELLOW YELLOW YELLOW RED YELLOW
IN: dax gazzer kiki tufa tufa kiki tufa OUT: RED GREEN GREEN GREEN PURPLE
IN: gazzer zup OUT: PURPLE PURPLE PURPLE
IN: gazzer OUT: PURPLE
IN: dax OUT: RED
IN: gazzer kiki dax gazzer OUT: RED PURPLE PURPLE
IN: gazzer kiki tufa OUT: GREEN PURPLE
IN: fep kiki fep OUT: YELLOW YELLOW

*GRAMMAR*
dax -> RED 
 fep -> YELLOW 
 tufa -> GREEN 
 gazzer -> PURPLE 
 u1 kiki x1 -> [x1] [u1] 
 x1 zup -> [x1] [x1] [x1] 
 x1 blicket x2 -> [x2] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 