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

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

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