Given the task definition, example input & output, solve the new input case.
In this task, you are given a sentence in the Romanian language. Your job is to translate the Romanian sentence into the English language.
Example: Un bărbat pune brânză mărunțită pe o pizza.
Output: A man is spreading shreded cheese on a pizza.
In the given translation process, the tense of both sentences, quantitative measures, entity name, the polarity of the sentence remains the same.

New input case for you: Un tren călătorind pe șine.
Output:
A train traveling down the tracks.