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

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

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