The group goes to the playground

"We're going to the playground!" aunt Jill announced. The children in the daycare started to cheer. The group of teens started to put warmer clothing on the toddlers, while Katie was made to wait by her aunt. To Katie's relief her aunt returned with pants and a jacket she could wear. She put on her new clothes and waited with the other dressed kids. A lot of kids still had to go to the potty before they were allowed to leave. Maybe it would've been better if Katie had done the same.

While the group was walking on the street to the playground, Katie started to feel her need for the bathroom. It was not only her bladder that needed relief, but also her bowels. After a 5 minute walk they arrived at a small public park with in the middle a playground surrounded by small fences. Jill collected everyone there and let the kids play. The teens meanwhile parked themselves on a couple of benches and looked over the group. What was Katie going to do here?