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

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

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