The need of common-sense knowledge Edit
From Hobbs (1978):
There’s a pile of inflammable trash next to your car. You’ll have to get rid of it.From Lee et al. (2017) (from CoNLL-2012 development data):
Also such location devices, [some ships] have smoke floats [they] can toss out so [the man overboard] will be able to use smoke signals as a way of trying to, let the rescuer locate [them].
--> the last them should be linked to the man overboard (although their numbers don't match) instead of some ships or they.
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