Teacher:In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Teacher: Now, understand the problem? Solve this instance: Washington (CNN) Maine Republican Sen. Susan Collins said she won't endorse GOP presumptive presidential nominee Donald Trump until he starts behaving more "presidential." "I would love to be able to endorse Donald Trump, but he really has to change the approach that he's taken," she told CNN's Chris Cuomo on Wednesday on "New Day." "If I were giving him advice, I would tell him he should own up to making mistakes. He should apologize to the judge and to the American people. And he should stop insulting people." Multiple Republican leaders have criticized Trump for comments he made suggesting that Latino and Muslim judges could not rule fairly because of their ethnicity and religion.Maine Republican Sen. Susan Collins said her party's presumptive nominee needs to have more "presidential"Collins said Wednesday she was not yet ready to endorse Donald Trump's presidential bid 
 Question:"He is the one who needs to start acting more presidential and articulate more clearly what a _ presidency would look like," she said.
Student:
Donald Trump