Definition: Given a text, write a compressed version of it in a single sentence.
Input: One warning to swimmers farther north, however - at the resort village of Carmel-by-the-Sea and up past San Francisco, the beaches are fine for sunbathing, but strong undercurrents make the sea too dangerous for swimming.
Output:
A warning to swimmers at the resort village of Carmel-by-the Sea past San Francisco are undercurrents too dangerous for swimming