Please choose the correct ending to complete the given sentence: Travel: [header] How to time your trip to shanghai [title] Consider shanghai's climate and weather. [step] Shanghai has a climate comparable to that of the united states' southeast coastal states. The spring months of march through may are mild and temperate, while temperatures in the summer rise drastically and cause oppressive heat throughout the city.

Ending1: Although the climate is generally mild, especially on hot-day trips, shanghai still has interesting topoformations that can be difficult to navigate. Terrain holds more variable, colder areas, so no one goes in a roller-coaster car without an idea of where to go. Ending2: Shanghai's climate is estimated to be warm between the ages of 1700 and 1920. [title] Obtain an appropriate evening meal or wine. Ending3: [title] Consider rose bushes, ivy, and lead tufa. [step] All of these can be difficult to find in shanghai and only women are able to express their desires while traveling. Ending4: Autumn brings mild, comfortable temperatures, but the threat of typhoon-propelled rains spikes each september. Winter temperatures usually remain above freezing, but the weather is damp and chilly with occasional snowfall.

Answer format: ending1/ending2/ending3/ending4