Problem: Vernon Deloss Walker (August 14, 1931 April 19, 1996) was a notable advertising executive and political campaign consultant. Walker founded the Memphis, Tennessee-based advertising firm Walker + Associates, Inc. in October 1965. Walker played a major role in politics, corporate marketing and philanthropy throughout the South from the 1960s to 1990s.

Based on the paragraph above can we conclude that "Vernon Deloss Walker had 3 children."? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: San Marco 1, also known as San Marco A, was the first Italian satellite, and the first non-Soviet/US spacecraft. Built in-house by the Italian Space Research Commission (Italian: "Commissione per le Ricerche Spaziali" , CRS) on behalf of the National Research Council, it was the first of five as part of the Italian-US San Marco programme.

Based on the paragraph above can we conclude that "There were no Italian rockets prior to San Marco 1"? OPTIONS:
- Yes
- It's impossible to say
- No

A: Yes

Problem: A Mother's Gift is a 2001 novel by pop music singer Britney Spears and her mother, Lynne Spears. It is their second book together, following 2000's "Heart-to-Heart". The novel is loosely based on Britney's life. Popular reactions to the novel in spaces like Amazon were mixed. In 2012, rumors of a third novel sequel surfaced.

Based on the paragraph above can we conclude that "A Mother's Gift was a huge financial contribution to Spear's success. "? OPTIONS:
- Yes
- It's impossible to say
- No

A:
It's impossible to say