please help me see the question

but, however, contrarily
Cohesive devices are words or phrases used to connect ideas between different parts of text. Cohesive devices, sometimes called linking words, linkers, connectors, discourse markers or transitional words.
but - except' when it is used after words such as all, everything/nothing, everyone/no one, everybody/nobody.
however - on the other hand” or “in spite of that.” How does it compare to however, but, nevertheless, still, and yet?
contrarily - on the other hand; from the opposite point of view.