Grandfather Frog scratched his head thoughtfully and looked a long time at the dam of logs and sticks and mud .<br>Then his big mouth widened in a big smile .<br>`` Why , that is very simple , '' said he , `` Jerry Muskrat will make a big hole through the dam near the bottom , because he knows how , and the rest of us will keep watch to see that no harm comes near . ''
The muskrat was the one who knew how to make a big hole in the dam.
( z1 one :ARG0-of ( z2 know :ARG1 ( z3 make :ARG0 z1 :ARG1 ( z4 hole :mod ( z5 big ) :location ( z6 dam ) ) ) ) :domain ( z7 muskrat ) )