. >> let's talk to critical context tin sal louny who is at the united states where that announcement negotiations in good faith, kristen, but we were almost at this point about four or five months ago until the exiled president said we'll only agree of a ceasefire if you the houthis pull out of areas you have taken. and that precondition changed? >> reporter: what we're hearing from our sources on the ground that it hasn't. the houthis expect both sides to pull out. they say they will pull out, but they want the pro-government militias to pull out as well. in order for that to happen, the pro-government forces interpret this agreement as the houthis pull out. they are the aggressors. the talked are based on a security council resolution, which does put the onus for the conflict on the houthis and call on them to withdraw and remove their forces, return heavy weapons and so on, but it does call on all sides to lay down arms, so there's some room for interpretation there, and when i asked the special envoy how he interpreted that, he said that remains to be prenegotiated. we just want