*SUPPORT*
IN: fep dax tufa lug fep OUT: GREEN PINK PINK
IN: tufa zup OUT: GREEN GREEN GREEN
IN: tufa kiki zup OUT: GREEN RED RED RED
IN: fep gazzer lug fep lug kiki OUT: PINK PURPLE PINK RED
IN: kiki dax fep OUT: PINK RED
IN: fep zup lug kiki OUT: PINK PINK PINK RED
IN: tufa tufa tufa lug gazzer lug gazzer OUT: GREEN GREEN GREEN PURPLE PURPLE
IN: gazzer dax tufa OUT: GREEN PURPLE
IN: fep OUT: PINK
IN: kiki dax kiki OUT: RED RED
IN: fep gazzer gazzer zup OUT: PINK PURPLE PURPLE PURPLE PURPLE
IN: fep dax tufa OUT: GREEN PINK
IN: tufa tufa zup OUT: GREEN GREEN GREEN GREEN
IN: kiki zup OUT: RED RED RED

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

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