Brazilian President Jair Bolsonaro and U.S. President Donald Trump are both keen on strengthening the ties between their respective countries, but a comprehensive trade pact isn’t likely in the near future because of Democratic opposition, says U.S. Trade Representative Robert Lighthizer.

The U.S. and Brazil have not yet reached a deal on U.S. demands to be able to sell the country more ethanol, but the Brazilian government is making clear what it is demanding in return, according to sources in both countries. Brazil wants more access to the lucrative and tightly guarded U.S. sugar market.