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

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

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