If you apply enough hints with enough sledgehammers, even the slowest of your players will eventually pick up on them.
And either promptly ignore them or get completely the wrong message and go off and do something else that isn't going to lead anywhere.
Transcript
{The space bus depot on Coruscant}
Padmé: Look, we know Bubble is behind everything.
Padmé: I don't know if you've noticed, but the GM has been subtly hinting that he doesn't want you to pursue this dart thing.
Obi-Wan: That's exactly why I need to follow it.
Padmé: You're wasting your time. Come with me to Naboo and we'll kick some butt.
Obi-Wan: That's never going to lead anywhere.
Anakin: We should protect the Senator, master.
Obi-Wan: Hmmm. You go with her. I think you're ready for the responsibility.
Padmé: Wait, so... Annie's with me, and you're off by yourself?
Obi-Wan: Yes. I think that should suit pretty much everyone.
Padmé: Cool.
R2-D2: Don't I get a say in this?
Obi-Wan: Oh... Sure. You can follow me, or you can hang around with the Senator.
{beat}
R2-D2: What was the third option again?