Two Kirbys riding for the same spread is going to be rather confusing.
There was more than one Kirby riding for the spread.
There was only one Kirby riding for the spread.
Sex between a married person and someone other than their spouse is not accepted in most societies.
the couple are in a house
A woman swings a little girl around in circles by her arms as she laughs.
Five people are fishing.
The Russians hate excercise.
She has two hours to get across town.