Task: Question Answering
Input (English): Passage: Undertow (water waves) -- In popular usage, the word ``undertow'' is often misapplied to rip currents. An undertow occurs everywhere underneath shore-approaching waves, whereas rip currents are localized narrow offshore currents occurring at certain locations along the coast. Unlike undertow, rip currents are strong at the surface.
Question: is an undertow the same as a rip current
Output (English): 0