which transition would a writer use to contrast two ideas?\ntherefore\nfurthermore\nspecifically\nalthough

which transition would a writer use to contrast two ideas?\ntherefore\nfurthermore\nspecifically\nalthough
Answer
Brief Explanations:
"Therefore" shows a result, "furthermore" adds information, "specifically" gives details. "Although" is used to contrast ideas.
Answer:
although