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

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

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