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

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

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