Input: 

In Unix-like operating systems, sort is a standard command line program that prints the lines of its input or concatenation of all files listed in its argument list in sorted order. Sorting is done based on one or more sort keys extracted from each line of input. By default, the entire input is taken as sort key. Blank space is the default field separator.

Sentence: The hyphen is the default field separator.

Output: No


Input: 

In this class, we will enjoy periods of meditation mixed with short talks and question/answer periods regarding Zen practice. Discover the special power of group meditation! Class will meet Sunday 4/23 from 9-10:30am. Registration: $71 OR $59 for CFU Members.

Sentence: The class will be meeting at eight in the morning on Sunday, April the 23rd.

Output: No


Input: 

Rock stars Aerosmith are to hold a free concert in Hawaii to placate angry fans who brought a legal case against them. The Walk This Way hitmakers cancelled a sold-out show in Maui two years ago, leaving hundreds of fans out of pocket. They filed a class action case, which claimed the band had pulled out in favour of a bigger gig in Chicago and a private show for car dealers in Oahu. Lawyers for the would-be concert-goers said Aerosmith had now agreed to put on a new show, and would pay all expenses.

Sentence: Aerosmith will hold a concert.

Output: Yes


Input: 

Working Out<br>Cara was a bit nervous today. She was going to the gym for the first time. She had just gotten her membership and was going to use it. Cara walked in ready to exercise. She got on a treadmill and began running.

Sentence: Cara ran on the treadmill. 

Output:
Yes