Input:

USS "Yorktown" (Gunboat No. 1/PG-1) was lead ship of her class of steel-hulled, twin-screw gunboats in the United States Navy in the late 19th and early 20th centuries. She was the second U.S. Navy ship named in honor of the American Revolutionary War's Battle of Yorktown.

Sentence: The battle of Yorktown has been honored by the naming of US Navy Ships

Output: Yes

Input:

Priscilla J. Smith is an American attorney known for her activism in the reproductive rights movement. She is currently employed as a Senior Fellow by The Yale Law School and was previously an attorney with the law firm Center For Reproductive Law & Policy (now renamed the Center for Reproductive Rights).

Sentence: Smith is highly educated

Output: It's impossible to say

Input:

Breaking Up<br>Tom hated his girlfriend. He kept trying to break up with her. She never really let him. Tom eventually moved away. He ignored her completely.

Sentence: Tom's girl was really in loved with him .

Output: It's impossible to say

Input:

This page is a list of heirs to the throne of Luxembourg. The list includes all individuals who were considered to inherit the throne of Luxembourg, either as heir apparent or as heir presumptive, since the constitution of the Grand Duchy of Luxembourg on 15 March 1815. Those who actually succeeded as Grand Duke or Grand Duchess of Luxembourg are shown in bold.

Sentence: The page involves Luxembourg

Output:
Yes