*SUPPORT*
IN: tufa kiki tufa OUT: BLUE BLUE
IN: wif gazzer kiki gazzer OUT: PURPLE RED RED
IN: gazzer zup dax OUT: RED RED RED RED
IN: tufa lug wif wif zup OUT: BLUE GREEN PURPLE PURPLE PURPLE
IN: lug OUT: GREEN
IN: wif gazzer zup OUT: PURPLE RED RED
IN: tufa kiki gazzer OUT: RED BLUE
IN: wif kiki gazzer OUT: RED PURPLE
IN: tufa kiki wif OUT: PURPLE BLUE
IN: gazzer tufa kiki lug OUT: RED GREEN BLUE
IN: tufa OUT: BLUE
IN: tufa kiki wif dax OUT: PURPLE BLUE PURPLE BLUE
IN: gazzer wif OUT: RED PURPLE
IN: gazzer OUT: RED

*QUERY*
IN: lug kiki lug OUT: GREEN GREEN
IN: lug zup OUT: GREEN GREEN
IN: wif kiki tufa OUT: BLUE PURPLE
IN: tufa kiki lug OUT: GREEN BLUE
IN: tufa zup OUT: BLUE BLUE
IN: wif dax OUT: PURPLE PURPLE
IN: lug kiki gazzer OUT: RED GREEN
IN: wif lug kiki gazzer OUT: PURPLE RED GREEN
IN: wif kiki lug dax OUT: GREEN PURPLE GREEN PURPLE
IN: gazzer kiki wif OUT: PURPLE RED

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