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

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

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