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

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

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