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.
One example is below.
Q: Given Relationship: 'make', Sentence: 'Jenny made the announcement that her baby was an alien.'
A: made
Rationale: The output relationship - made, is a correct verb form of the given relationship - make, and it is also used in the given sentence
Q: Given Relationship: 'surrender at', Sentence: 'On June 19 , 1865 , two months and 10 days after Robert E. Lee surrendered to Ullyses S. Grant at Appomattox , when slaves were officially set free , Union General Gordon Granger arrived in Galveston with 2,000 federal troops with a message that all slaves were free .'
A:
surrendered