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

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

*GRAMMAR*
wif -> RED 
 kiki -> GREEN 
 dax -> PURPLE 
 lug -> YELLOW 
 x1 tufa x2 -> [x2] [x1] 
 x1 fep -> [x1] [x1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 