Rule 701. Opinion Testimony by Lay Witnesses
If the witness is not testifying as an expert, the witnessí
testimony in the form of opinions or inferences is limited to
those opinions or inferences which are (a) rationally based on
the perception of the witness, (b) helpful to a clear
understanding of the witnessí testimony or the determination
of a fact in issue, and (c) not based on scientific, technical, or
other specialized knowledge within the scope of Rule 702.