Problem: The Instituto Ayrton Senna (English: Ayrton Senna Institute; abbreviated IAS) is a Brazilian non-governmental organization founded by Ayrton Senna's family in November 1994, six months after Senna's death. It is presided by Viviane Senna da Silva Lalli, Ayrton's sister and mother of Formula One driver Bruno Senna.

Based on the paragraph above can we conclude that "The Instituto Ayrton Senna is a Brazillian charitable organization."?

A: It's impossible to say

Problem: The Mastin Espanol or Spanish Mastiff, is a giant breed of dog, originating in Spain, originally bred to be a guard dog whose specialized purpose is to be a Livestock guardian dog protecting flocks (and occasionally herds) from wolves and other predators. The Mountain dog type has a heavier coat.

Based on the paragraph above can we conclude that "The dog is very big"?

A: Yes

Problem: Dave Ward, born 12 July 1959, is a British Trade Unionist and General Secretary of the Communication Workers' Union (CWU), which was formed through the merger of the Union of Communication Workers and the National Communications Union in 1995. The CWU is the largest Trade Union in the United Kingdom for people working in the Postal and Telecommunications industry with over 200,000 members.

Based on the paragraph above can we conclude that "Dave Ward is the best communicator. "?

A:
It's impossible to say