Logic is the study of reasoning and argumentation.

The locusts swarmed the fields, causing widespread damage to the crops.

I need to log my daily activities.

The locomotive pulled the long train across the country.

The lodger is staying in the spare room.

She has long hair.

I visited London last summer.

I feel lonesome without my friends.

The logos of the universe governs all natural laws.

I took a long walk in the park.