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

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

*GRAMMAR*
wif -> RED 
 tufa -> GREEN 
 fep -> PURPLE 
 zup -> YELLOW 
 u1 dax x1 -> [u1] [x1] [u1] [u1] [u1] 
 u1 lug u2 -> [u2] [u1] [u1] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 