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

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

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