<em>To be sure, for sure</em>,<em> wow,</em> and <em>bike</em> are modern slang. The rest of them would be older. Credit to the person who commented that.
Answer: A vassal was given the rights to control the fief and to have ownership of it.
A knight may serve a serf in exchange for horses.
The two statements chosen above are not true. The vassal does not have the right to control or even own a fief and the knight also cannot serve a serf in exchange for horses or anything.
Answer:
it is number 4 an idea for what the show should be about