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 . ''
Grandfather Frog scratched his foot thoughtfully.
( z1 scratch :ARG0 ( z2 person :name ( z3 name :op "Grandfather" :op "Frog" ) ) :ARG1 ( z4 foot :part-of z2 ) :manner ( z5 thoughtful ) )