(;GM[1]FF[4]SZ[19]
GN[B1 has a sente nature, but is not sente]
PC[http://senseis.xmp.net/?SenteNature]AP[GoWiki:2009]
DT[2011-12-19]
C[Diagram from http://senseis.xmp.net/?SenteNature

B1 has a sente nature, but is not sente]
PL[B]

AB[aa][ba][ca][fa][fb][fc][fd][ae][be][ce][de][fe]
AW[ab][bb][cb][db][eb][ec][ad][bd][cd][dd][ed][af][bf][cf][df][ef]

;B[ea]C[B1]MN[1]
;W[ee]C[W2]MN[2]

;
)
