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

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

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