Input: 

How to turn off speakerphone<br>Turn off speakerphone during a call. It is important to know how to turn off speakerphone during a call without hanging up on the caller on the other end. [substeps] Tap the round, highlighted speaker button on your iphone screen.

Sentence: The iPhone speakerphone option is relatively easy to use. 

Output: It's impossible to say


Input: 

Deer Season<br>Hank's father always goes on hunting trips in the fall. One time Hank was invited to go. After his first lesson with a rifle Hank settled into a blind. He and his father sat and talked about life for hours. They didn't find any deer that year but Hank enjoyed the experience.

Sentence: There were no deer in the area where they were hunting.

Output: Yes


Input: 

Tea<br>Joey was ten and playing with his mom. He decided to make her pretend tea. He got some hot water from the tap and mixed in the herb. But to his shock, his mom really drank the tea! She said the herb he'd picked was chamomile, a delicious tea!

Sentence: Joey was afraid the tea would make his mom sick.

Output: It's impossible to say


Input: 

Argument<br>Ben stood his ground. He wouldn't let Fred win the argument this time. Fred started talking, but Ben interrupted him right away. Ben stated his case in a few short sentences. And for the first time, Fred conceded defeat.

Sentence: Fred has never conceded defeat before this event. 

Output:
Yes