Task: Question Understanding
Input (English): Question: Following a winter storm, a student observes that ice has formed on the outdoor telephone lines. Which two processes caused the ice to form? (A) Precipitation and Freezing (B) Condensation and Precipitation (C) Condensation and Freezing (D) Precipitation and Evaporation?
Output (English): ice, outdoor, telephone, lines., processes, caused, ice, form?