The occurrence of the event was unexpected.

The company officially announced its new product.

The operational procedures need to be followed strictly.

An air conditioner is available as an optional extra.

The organizational structure of the company is hierarchical.

She is the organizer of the event.

I baked a cake in the oven.

I cooked soup in a pan.

The performer captivated the audience with their incredible talent.

I subscribe to a periodical that is published monthly.