Input:

Peter Andreas Thiel ( ; born October 11, 1967) is an American entrepreneur, venture capitalist, philanthropist, political activist, and author. He was ranked No. 4 on the "Forbes" Midas List of 2014, with a net worth of $2.2 billion, and No. 246 on the "Forbes" 400 in 2016, with a net worth of $2.7 billion.

Sentence: Peter Andreas is the richest and most generous man

Output: It's impossible to say

Input:

Michelle Do (born 1983) is a Vietnamese-American table tennis player from Milpitas, California. At age 17, Do became the youngest ever member of the U.S. Women's Table Tennis Team, for the 2000 Summer Olympics. She attended Scripps Ranch High School in San Diego, California.

Sentence: Michelle Do has talked to Bush.

Output: It's impossible to say

Input:

Live at Austin City Limits Festival by Northern Irish singer-songwriter Van Morrison is a limited edition live album recorded from the Austin City Limits Festival concert at which he was the first night headliner on September 15, 2006. It has only been made available at live Van Morrison concerts and at the Van Morrison Official website.

Sentence: The concert was filmed the year after 2004.

Output: No

Input:

Glacier retreat or glacial retreat is type of glacial motion discussed in several articles, depending on the time frame of interest, and whether the climatological process or individual glaciers are being considered. Articles on these topics include:

Sentence: Climatological processes like glacial retreat are discussed in articles.

Output:
Yes