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

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

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