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

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

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