Attachment ambiguity of the day
Prepositional phrase attachment is one of the hardest things for English parsers to get right: if I hit a man with a bag of groceries, was that bag of groceries the instrument of my action, or was it just something the guy was carrying when I attacked him?
And PP-attachment ambiguity is especially common in English-language headlines, since omitted forms of to be add additional ambiguous attachment points.
For example, Alex Barker, "EU reforms to break up big banks at risk", Financial Times 1/29/2015: Are the reforms at risk, or are the reforms on track to break up banks that are at risk?
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