Rock the dog didn't complain too much when she was called upon to play in the sand this past Friday afternoon. She belongs to Amy Dunlap, age 6, far left, and Josh Dunlap, age 7, far right. The trio was joined in the sand at the Dunlap's home on Greathouse Street by neighbor Jason Syfrett, age 9, center. The three youngsters admitted that they'd rather have been swimming. Rock the dog had no…