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 . ''
All muskrats know how to make big holes.
( z1 know :ARG0 ( z2 muskrat :mod ( z3 all ) ) :ARG1 ( z4 make :ARG0 z2 :ARG1 ( z5 hole :mod ( z6 big ) ) ) )