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

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

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