<prompt> Translate the following text to EnglishKampuni ya Barnes Thunberg, ambayo ni kampuni kubwa zaidi nchini Marekani, imeweka mkataba wa kujitolea kwa muda wa saa 25 kwa mwaka kwa ajili ya watu wenye mapato ya chini.  <response>: Barnes and Thornburg, the states largest firm, asked all of its lawyers to volunteer at least 25 hours a year helping low-income people on the clock. 