Flying Words

"Hey, Steve! Check out the progress I've made on my coloring book!" Miffed by his little sister's insistent nudge, Steve barked a quick-tempered, "Not now, Lily! Can't you see I'm trying to sleep?""Guys, please try to get along," Mom chimed in. "We'll be at our next stop in just a few hours.""A few hours? You mean, for all that time, I have a choice between staring at cows or having to comment on coloring technique?"Just as Steve let out a big sigh, a large dump truck pulled in front of his family's van. He could just make out the words on the back, which read, "Driver not responsible for flying debris. Stay back.""What?" Steve exclaimed. "Did you see that sign? How can a truck launch a rock or whatever out the back of it and be completely inculpable?"Dad, using an over-the-shoulder lane check to make brief eye contact with his son, said, "First of all, I can tell you've been working on those vocab words, so well done." Steve cracked a grin. He'd recently learned that inculpable was an