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

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

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