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

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

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