executed by one and the same person, because they have a similar sentence construction, and computer font and form, and were even sworn to before the same attesting officer on the same date. We find no merit in the instant Petition. The questions of fact Crystal clear from the above arguments is that Penera is raising only questions of fact in her Petition presently before us. We do not find any reason to pass upon the same, as this Court is not a trier of facts. It is not the function of the Court to review, examine and evaluate or weigh the probative value of the evidence presented. A question of fact would arise in such an event. The sole function of a writ of certiorari is to address issues of want of jurisdiction or grave abuse of discretion, and it does not include a review of the tribunals evaluation of the evidence.[25] Because of its fact-finding facilities and its knowledge derived from actual experience, the COMELEC is in a peculiarly advantageous position to evaluate, appreciate and decide on factual questions before it. Factual findings of the COMELEC, based on its own assessments and duly supported by evidence, are conclusive on this Court, more so in the absence of a grave abuse of discretion, arbitrariness, fraud, or error of law in the questioned resolutions. Unless any of these causes are clearly substantiated, the Court will not interfere with the findings of fact of the COMELEC.[26] Grave abuse of discretion is such capricious and whimsical exercise of judgment equivalent to lack of jurisdiction. Mere abuse of discretion is not enough. It must be grave, as when it is exercised arbitrarily or despotically by reason of passion or personal hostility. The abuse must be so patent and so gross as