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

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

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