premise: The opposition said the National Electoral Council favored the ruling party candidates and has failed to correct the errors in the voter registry.
  "Imagine what it means for a party like Democratic Action to say that today...under these conditions, we cannot participate in the electoral process, " said Henry Ramos of the Democratic Action, the largest opposition party in the country.
  Polling firms said the ruling Fifth Republic Movement of President Hugo Chavez will win a sweeping victory in Sunday's elections. If the ruling party reaches its goal of getting a two-thirds majority, it can begin to make constitutional reforms.
  Analysts said one of the possible reforms might be lifting the restriction limiting presidents to two six-year terms. Chavez's term will not expire until 2012 if he is re-elected next year.
   What will prevent Chavez's term from expiring before 2012?
hypothesis: if he is re-elected next year