Answer three questions about information structure which are given in the instructions part

1)in terms of grammar architecture, state the place of information structure
in the grammar, and state the suggestions according to the place of information structure in the grammar and discuss the linguistics forms such as topic and focus through information structure
2) by referring to several languages give information about contrastive focus and presentational focus and explain how these two kinds of focus are carried out in Turkish
3)in the literature of information structure give information about the kinds of topics by giving examples.