With no explanation, chose the best option from "A", "B", "C" or "D". on its rational assessment of the cost and benefit that would flow from moving.”) (Citations omitted). In sum, the fact that these authorities ultimate^ ly disbelieved the defendants and therefore chose not to rely upon them is no evidence of irrationality. Seventh, while the defendants fault the government for failing to explain the specific reasons for disbelieving them, it is Defendants’ burden, not the government’s, to make a “substantial” showing that the departure decision was irrational. Normally the general statement of a prosecutor or law enforcement officer that a defendant was unbelievable or unreliable is a sufficient reason to deny a defense motion to compel the government to file a motion for downward departure. United States v. Nicolace, 90 F.3d 255, 259 (8th Cir.1996) (<HOLDING>). See also United States v. Johnigan, 90 F.3d

A: holding that argument was not preserved where defendant did not file a pretrial motion to suppress and did not object or make a motion to exclude the evidence until his motion to dismiss at the close of all of the evidence
B: holding that it was not error to deny a motion for an evidentiary hearing regarding a defense motion to compel the government to file a departure motion where among other things the fbi questioned the defendants candor
C: holding that trial court did not err in ruling on appellees motion for summary judgment before appellees complied with appellants discovery request when the record reflected that appellant filed a motion to compel three days before the hearing and the record did not reveal any effort on the part of appellant to secure a ruling from the trial court on its motion to compel or object at the trial court hearing the motion for summary judgment prior to ruling on the motion to compel
D: holding that a motion to continue a hearing on a postjudgment motion was ineffective to extend the period for the trial court to rule on the motion absent the express consent of the parties
B.