Everyone has their morning beverages differently. Deb and Alison both take sugar in their drinks. Deb, Eric and Shauna all drink tea while the other three drink coffee. George and Shauna have milk in their beverages. Those who don't add anything, take theirs black. What does Tom drink?

Black coffee.

Explanation:

In this group of people some of them drink coffee and some drink tea.

Similarly, some of them take sugar, others milk and others black.

The problem specifically asks us for Tom.

The problem tells us that Deb, Eric and Shauna drink tea while the other three drink coffee. Therefore, we can conclude that Tom drinks coffee.

Now we need to know if he puts sugar, milk or nothing to his coffee:

We know that Deb and Alison take sugar and George and Shauna have milk, there is no mention of what Tom does. We only know that those who don't add anything take theirs beverage black.

Therefore, we can conclude that Tom takes coffee and he takes it black.

Answer: Black coffee