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

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

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