11.   The borders established had little to do with geography or the lines that separated ethnic groups.

12.   The longer the two groups are separated, the more differences they will accumulate between them.

13.   The new policy requires the two groups to be separated throughout the time they are inside the Walls Unit.

14.   The two groups were separated for spawning, and their offspring were put into separate ponds, preyed upon by biologist-fishermen again.

15.   These factors and more create a pecking order among Latinos that separates one group from another.

16.   Using a business analogy, Reed said the coalition was using differently worded messages to appeal to separate groups that shared some basic similarities.

17.   Police separated the groups to prevent clashes.

18.   Police outnumbered the protesters, but they appeared to be taken by surprise and failed to keep the groups separated.

19.   Police at the scene tried in vain to separate the groups, which had scheduled separate visits to the site and were apparently surprised to run into each other.

20.   According to police accounts, officers were trying to separate two groups of men arguing over women when Mason hit one officer and began rallying the crowd.