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

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

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