Rate the similarity of the following two sentences
Thai political protests paralyse more ministries
Thai protesters besiege more ministries

4

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Excluding litigation charges, RIM's loss narrowed even further to 1 cent a share.
Excluding patent litigation, RIM's loss for the quarter was $700,000, or 1 cent per share.

3

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A brown dog wades in the water.
A dog splashes in the murky water.
4