On an icy and rainy afternoon, Felipe and Carmen went to their local caf for a meal. Felipe pulled on his new winter boots, but Carmen wore her summer sandals. The place was packed, and the staff had no time to clear and salt the sidewalk or to mop the entrance way into the caf. Felipe was in a playful mood and was tickling Carmen as she entered the caf. Carmen lost her footing on the slippery surface, fell and broke her femur.

Who is responsible for paying her for the loss of her mobility for six weeks?