The third one was on her own.  She walked past the stand of toilets towards the fence.  I thought that she was going to pee in the grass there but she must have decided it was too public.  She turned round and came back.  She then sat down on the ground at the side of the beer tent, legs straight in front of her, and pissed.  There were some signs that showed that she was wetting herself.  The expression on her face was a bit of a give away.  She kept very still, as if she dared not move her leg