Which of these identifies how a paragraph can be unified and still not be coherent?

the supporting sentences do not flow logically.
the topic sentence appears in the middle rather than the beginning.
one or more of the supporting sentences is not doing its job.
a unified paragraph is automatically a coherent paragraph.

not flowing logically

edit: because a coherent paragraph is one thats sentences flow logically. If not coherent, it means that the sentences are not flowing logically

The supporting sentences do not flow logically.

Explanation:

Essays have elements which are essential to provide coherence and structure, such as: an introduction with its thesis statement, body paragraphs with topic and supporting sentences, and a conclusion that unifies it all.  

A paragraph can have a unifying structure, as much as an essay, but if the supporting sentences of do not flow logically, are not connected with the examples and arguments or to the thesis statement in the essay's introductory paragraph, it demonstrates the paragraph is not coherent and well-structured.

i think the answer will be theseeeennutttsssss

wheres the options? i dont think this can be solved with out the options