1. Read the sentences below and decide the function of each sentence by specifying which states a claim and which states a support. Fill your answers in the blank boxes.

Sentence	Function
Belgrade, as a tourism destination, is not competitive in terms of walking tours around the city compared to other major Serbian destinations.
This is due to the undeveloped infrastructure around green areas (Maksin, 2011).
As a post-industrial city, Belgrade lacks revitalization, which makes it less competitive.
So, a holistic economic approach that takes into account human and environmental needs may help change the situation (World Tourism Organization, 2011).