You will be given a definition of a task first, then some input of the task.
In this task, the input is a set of dialogues between a user and an assistant. You need to find the dialogue that is basically a response given to a question or an aspect of the user.

Sure. Mont Blanc was first climbed way back in 1785. However, most of the Alpine four-thousanders (peaks of at least 4,000m above sea level) weren't climbed until the second half of the 19th century. The Matterhorn ascent in 1865 was considered the end of the golden age of alpinism. 
 That is very interesting! I did not know it was broken into that many sections. Could you provide me with some idea of the ascents? 
 Interesting, seems people have been climbing those mountains for a long time. Do you have any additional information about the Four-thousanders? 
 Unfortunately, I don't have any information about recent years, beyond that the summits of all the peaks in range have been climbed at some point. According to the Union Internationale des Associations d'Alpinisme (UIAA), that's a total of 82 "official" Alpine summits of at least 4,000 feet! 
 Have there been many ascents of the Four-thousanders in recent years?
Output:
Sure. Mont Blanc was first climbed way back in 1785. However, most of the Alpine four-thousanders (peaks of at least 4,000m above sea level) weren't climbed until the second half of the 19th century. The Matterhorn ascent in 1865 was considered the end of the golden age of alpinism.