This is a true statement.

Drinking coffee from coffee shops is an economic activity because it involves the payment of money to the coffee shop.

Economic activity is anything which involves exchange of money either in cash, kind or any other monetary benefit.

Drinking coffee in your own home is not an economic activity.

Drinking coffee from a coffee shop in the market is an economic activity.

The basic necessity for an activity to be economic is an exchange of goods and services.

The coffee beans are grown and processed.

The beans are then supplied through a chain to the coffee shop which is then crushed and brewed.

The coffee is made using equipment manufactured and supplied through a long chain.

The coffee is served by the staff of coffee on a sitting arrangement in certain utensils (coffee mug/glass) against a specific cost.