It was all a mistake .<br>So Sir John told Grimes to go home , and promised him five shillings if he would bring the boy quietly up to him , without beating him , that he might be sure of the truth .<br>For he took for granted , and Grimes too , that Tom had made his way home .
It was not a mistake. 
( z1 mistake :polarity - :ARG1 ( z2 it ) )