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

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

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