Premise: Uncle Teddy ! ''<br>Rob scampered down the avenue as fast as his short legs would carry him .<br>All he boys but Dan ran after him to see who should be first to open the gate , and in a moment the carriage drove up with boys swarming all over it , while Uncle Teddy sat laughing in the midst , with his little daughter on his knee .
Hypothesis: Dan ran after Rob to discover who would be first to open the gate.