*SUPPORT*
IN: wif blicket gazzer OUT: GREEN YELLOW
IN: wif zup blicket gazzer OUT: GREEN RED YELLOW
IN: zup OUT: RED
IN: gazzer kiki dax gazzer OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: lug kiki OUT: PINK PINK PINK
IN: lug zup dax zup OUT: RED PINK RED RED
IN: gazzer blicket zup OUT: YELLOW RED
IN: zup blicket wif dax lug dax gazzer OUT: YELLOW PINK RED GREEN PINK YELLOW
IN: zup kiki dax wif OUT: GREEN RED RED RED GREEN
IN: gazzer dax zup dax gazzer OUT: YELLOW RED YELLOW RED YELLOW
IN: gazzer dax wif dax zup OUT: RED GREEN YELLOW GREEN RED
IN: wif zup blicket lug OUT: GREEN RED PINK
IN: zup kiki OUT: RED RED RED
IN: gazzer blicket gazzer OUT: YELLOW YELLOW

*QUERY*
IN: wif OUT: GREEN
IN: wif blicket zup OUT: GREEN RED
IN: zup blicket gazzer dax lug OUT: PINK RED YELLOW PINK
IN: gazzer dax lug OUT: PINK YELLOW PINK
IN: lug gazzer dax gazzer OUT: YELLOW PINK YELLOW YELLOW
IN: lug OUT: PINK
IN: zup blicket lug OUT: RED PINK
IN: wif blicket gazzer kiki OUT: GREEN YELLOW GREEN YELLOW GREEN YELLOW
IN: gazzer blicket zup kiki dax lug OUT: PINK YELLOW RED YELLOW RED YELLOW RED PINK
IN: gazzer gazzer lug blicket zup OUT: YELLOW YELLOW PINK RED

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