I'm not apparent on the last little bit of the sentence, "which one may be the best". I believed it is analogous for the clause in "I'm likely to deal with whatever they are", the order of item plus the verb is reversed (I forgot just what the grammatical expression https://jeffreyotsnu.ampedpages.com/5-easy-facts-about-limitations-act-in-dha-karachi-pakistan-described-63402359