(;GM[1]FF[4]SZ[19]
GN[Black's threats?]
PC[http://senseis.xmp.net/?KoThreatInSekiExample]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KoThreatInSekiExample

Black's threats?]
PL[B]

AB[ca][ea][cb][eb][ac][bc][cc][dc]
AW[ba][fa][ab][fb][ec][gc][ad][bd][cd][dd][ed]


;
)
