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

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

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