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

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

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