Problem: In the middle of 1984 a Brazilian company called Prologica, which made its own versions of 8 bits US computers, brought to the Brazilian market a new equipment for its personal computer series called "CP" (shorten of Personal Computer in Portuguese).

Based on the paragraph above can we conclude that "A Brazilian company called Prologica made its own computers therefore they must also make their own cell phones"?

A: It's impossible to say

Problem: Coldwater fish, in the context of aquariums, refers to fish species that prefer cooler water temperatures than tropical fish, typically below 20 C . Some examples are koi and goldfish. These species tend to grow more slowly and live longer than fish that live in warmer waters, and are generally felt to be easier to keep.

Based on the paragraph above can we conclude that "Koi and goldfish tend to grow more slowly than tropical fish."?

A: Yes

Problem: Alexander Ivanovich Bastrykin (Russian: , born August 27, 1953 in Pskov) is a Russian official, former First Deputy Prosecutor General of Russia, and former Chairman of The Investigative Committee of the Prosecutor General's Office. Since January 15, 2011, he is the Head of The Investigative Committee of Russia.

Based on the paragraph above can we conclude that "Alexander Ivanovich Bastrykin is an only child"?

A:
It's impossible to say