Based on the context and the answer, generate a question. 

Context: Last Sunday , West Coast Rebecca came up with an absolutely perfect idea for her birthday festivities - an afternoon on Lake Chabot in a patio boat . A patio boat is a nice flat bottomed boat with a motor . It 's kind of like a yacht without a belowdecks area .

Answer:

The group got seasick .



What happened during West Coast Rebecca 's birthday festivities ?