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

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

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