From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Input: Consider Input: Given Relationship: 'attack', Sentence: 'Hitler attacked Poland on September 1 .'

Output: attacked


Input: Consider Input: Given Relationship: 'lead in', Sentence: 'Romney has a mostly solid lead in New Hampshire save for the Union Leader newspaper giving him its anti-endorsement , a good sign that at least liberals believe he the best conservative in the pack and he trails Huckabee by a few points Iowa .'

Output: lead


Input: Consider Input: Given Relationship: 'be cause of', Sentence: 'AIDS even logistical that AIDS is correct to call anyone who believes HIV does not cause AIDS .'


Output: cause