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

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

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