51.   One former telecommuter found that he could not concentrate on his work because his dog barked too much, Dr. Nippert-Eng said.

52.   Or dog barks at a jackrabbit hiding beneath a boulder.

53.   Our dogs would bark at them.

54.   Somebody comes to the door, and the dog barks.

55.   The dog barked and bayed and chased them.

56.   The dogs are barking, and this baseball caravan is moving on.

57.   The dog had barked all morning, neighbors said.

58.   The dogs will still bark.

59.   The dog barked and growled as the woman struggled to retreat behind her front door.

60.   The dog barked incessantly at the front window when the owner left.