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

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

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