All the options you're looking at are really credible ones, but between them all, the Yamaha XSR155 makes the most sense. Since you have had little experience riding a geared motorcycle, something light, friendly, and easy to manage, like the XSR, is a safe choice.
And because it shares a lot of its hardware with the proven Yamaha YZF R15 V4 and Yamaha MT-15 V2, it is bound to be reliable like its sportier siblings.

