Given an abstract, indicate which of the provided candidate titles (Option1 and Option2) best describes it (respond with the text of the title, not option1/2).

Ex Input:
Abstract: As a means of providing defibrillation as soon as possible for those suffering out-of-hospital ventricular fibrillation, numerous communities have trained and authorized emergency medical technicians (EMTs) to provide defibrillatory shocks (EMT-D). The findings of four controlled studies and the experience of various communities have answered important questions. EMT-D programs have been shown effective in urban, suburban, and rural communities with and without paramedic backup. EMT-D programs appear safe, with errors of commission being extremely rare and errors of omission being of acceptably low incidence. Issues still to be resolved include the degree and amount of training that should be given and whether manual or automatic defibrillators should be used. Medical supervision and quality control is the most important aspect of EMT-D programs. At its core, the success of EMT-D programs is confirmation of the principle of early defibrillation. Wider dissemination of early defibrillation will improve survival from sudden cardiac death.
Which is the apt title for the abstract? option1: Defibrillation performed by the emergency medical technician. option2: Molecular mapping of murine I region recombinants. II. Crossing over in the E beta gene is restricted to a 4.5 kb stretch of DNA that excludes the beta 1 exon.

Ex Output:
Defibrillation performed by the emergency medical technician.

Ex Input:
Abstract: Pulmonary edema due to upper airway obstruction can be observed in a variety of clinical situations. The predominant mechanism is increased negative intrathoracic pressure, although hypoxia and cardiac and neurologic factors may contribute. Laryngospasm associated with intubation and general anesthesia is a common cause of pulmonary edema in children. However, only seven cases of pulmonary edema presumably due to laryngospasm have been reported in adolescents and adults. Five of the seven had other risk factors for upper airway obstruction, and in four, the diagnosis of "laryngospasm" could be explained by other factors. Patients with underlying risk factors for upper airway obstruction, such as a forme fruste of sleep apnea or nasopharyngeal abnormalities, appear to be at increased risk for the development of pulmonary edema in the setting of intubation and anesthesia. This form of pulmonary edema usually resolves rapidly without the need for aggressive therapy or invasive monitoring.
Which is the apt title for the abstract? option1: Post-extubation pulmonary edema following anesthesia induced by upper airway obstruction. Are certain patients at increased risk? option2: Visual evoked potentials in parkinsonism and dopamine blockade reveal a stimulus-dependent dopamine function in humans.

Ex Output:
Post-extubation pulmonary edema following anesthesia induced by upper airway obstruction. Are certain patients at increased risk?

Ex Input:
Abstract: Polypoid epithelial tumors of the duodenum and ampulla of Vater are rarely diagnosed preoperatively without wide application of fiberoptic endoscopy. The symptoms are nonspecific. Only a high index of suspicion will lead to early diagnosis. Life-threatening complications and increased incidence of malignant transformations are associated with delayed diagnosis. This paper reviews 11 patients (nine previously unreported) with villous tumor of the ampulla of Vater and two with this neoplasm in the duodenum. It also reviews the important principles of management illustrated by the behavior of the tumors of these 11 patients compared to those of previous reports. For favorable results, all lesions must be excised in toto and evidence of invasive malignancy must lead to aggressive treatment whenever feasible.
Which is the apt title for the abstract? option1: Villous tumors of the duodenum and ampulla of Vater. option2: Reduction mammaplasty: a comparison between the Robbins and Pontes techniques.

Ex Output:
Villous tumors of the duodenum and ampulla of Vater.