Definition: 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].
Input: Washington (CNN) -- President Obama toasted a growing U.S. friendship with India at the first state dinner of his administration Tuesday, an evening of regal pageantry and symbolic politics in a tent on the White House South Lawn. "To the future that beckons all of us," Obama said with glass raised toward his guest of honor, visiting Indian Prime Minister Manmohan Singh. "Let us answer its call. And let our two great nations realize all the triumphs and achievements that await us." A tradition dating back to 1874, state dinners are the most treasured and formal honor a U.S. president can offer a foreign dignitary, and the most coveted invitation in Washington.NEW: Obama toasts India prime minister, urges greater cooperation between two countriesTuesday's event is the first state dinner of Obama administrationState dinners are deemed one of the most treasured and formal honorsMenu includes greens from White House garden, honey from White House bees 
 Question:In a toast that followed Obama's, Singh praised his host's leadership and prompted applause by citing the charm of the _ first lady.

U.S.