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

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

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