*SUPPORT*
IN: zup dax tufa fep OUT: GREEN GREEN GREEN RED
IN: lug wif OUT: YELLOW YELLOW YELLOW
IN: kiki tufa lug OUT: PURPLE YELLOW
IN: fep dax OUT: RED RED RED
IN: fep tufa kiki OUT: RED PURPLE
IN: lug tufa kiki OUT: YELLOW PURPLE
IN: lug kiki kiki dax OUT: YELLOW PURPLE PURPLE PURPLE PURPLE
IN: lug lug tufa fep OUT: YELLOW YELLOW RED
IN: zup kiki tufa fep OUT: GREEN PURPLE RED
IN: fep kiki lug OUT: RED PURPLE YELLOW
IN: kiki lug wif OUT: PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW
IN: kiki tufa fep tufa kiki OUT: PURPLE RED PURPLE
IN: kiki dax OUT: PURPLE PURPLE PURPLE
IN: zup lug dax OUT: GREEN YELLOW YELLOW YELLOW

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

*GRAMMAR*
fep -> RED 
 zup -> GREEN 
 kiki -> PURPLE 
 lug -> YELLOW 
 x1 tufa u1 -> [x1] [u1] 
 u1 dax -> [u1] [u1] [u1] 
 x1 wif -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 