Generally speaking, human dwellings in early Mesopotamia were made of "<span>bricks and wood", although it should be noted that sometimes these bricks were made from mud.</span>
I would go with b, a merchant ship
do stuff you love to do. If you do stuff you don't like or hate, it will be tough. Then you have to lie to people saying stuff you don't like. It will be hard, and it will last forever if you keep it on the right path.