'Untying' in the Bible

So they went and found a young ass tied up at the front door of a house. They were untying it,

when some of the bystanders called out, "What are you doing, untying the foal?"

And if any one asks you, 'Why are you untying the colt?' simply say, 'The Master needs it.'"

And while they were untying the colt the owners called out, "Why are you untying the colt?"