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

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

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