Answer:
It can portray mood and change the importance of details
Step-by-step explanation:
A good way to see how structure can affect how we perceive a sentence is to pay attention to what comes after the word "but" and see what is being emphasized.
Claire is a really nice girl, but she is a bit annoying.
In the sentence above, we are pointing out the fact that she is annoying. Notice how it changes in the following sentence.
Claire is a bit annoying, but she is a really nice girl.
Now the fact that she is nice is more important.