Dear Dad,$chool i$ really great. I've made lot$ of friend$ and am $tudying hard. With all my $tuff i $imply can't think of anything i need, $o if you would like you can ju$t $end me a card, a$ I would love to hear from you.Love, your $on.Reply from Dad..Dear Son,I kNOw that astroNOmy, ecoNOmics and oceaNOgraphy are eNOugh to keep even an hoNOr student busy. Do NOt forget that the pursuit of kNOwledge is a NOble task, and you can never study hard eNOughLove, Dad.