Rohan is my best friend.

I am looking for a paper packet to give her a gift.

We plan to visit the castle this weekend.

He was standing behind the castle.

He was wearing a pendant in the shape of a skull around his neck.

He met a person on the road.

He started cutting trees to make an abatis.

Semiotics is the study of the meaning and use of signs and sign systems.

I am learning Russian at university.

Graph theory is a branch of mathematics that studies the structure of networks.