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

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

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