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

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

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