Yo conozco a Barack Obama

I know Geography

To know, or be familiar with, a book, a movie, a country, or a certain person, we use saber or conocer interchangeably

To Know a person, place, somebody's relationship, color of something, price, parents, country, country's name, direction, or my pet Shampoo

read each word carefully and count how many of them can be expressed or asked using Saber

Some friend is very upset today, and you are concerned for your friend... you say....

a) I want to know the truth, (just in a way what happened? )

b) I wan to know all the truth (everything like from every single bit of it)

________ (I don't know) tú padre pero ________ (i know) que él vive en Inglaterra...