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

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

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