Two experiments investigated how task demands influence sentence processing mechanisms, as reflected in neural responses at the disambiguating word. Participants read garden-path sentences with late-closure ambiguity (e.g., While the man hunted the deer ran into the woods) and answered comprehension questions while their brainwaves were recorded. Experiment 1 used standard questions (e.g., Did the man hunt the deer?), while Experiment 2 used "explicit" questions (e.g., Did the sentence explicitly say that the man hunted the deer?) to reduce inference-based responses. Results showed a typical P600 effect for ambiguous sentences in Experiment 1, indicating syntactic reanalysis. In Experiment 2, responses showed an N400 followed by Sustained Frontal Negativity, suggesting a shift toward plausibility evaluation and increased processing load. The explicit questions appear to alter underlying sentence processing mechanisms, prompting more effortful resolution of interpretive conflict beyond initial syntactic reanalysis.