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

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

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