A man is demonstrating a his equipment for onlookers.
A man is showing how his equipment works.
A man is petting a kangaroo for onlookers.
The type of engagement and not the use of data to determine when you should assess reliability.
The child is old
The trees are very old, and nearing the end of their life.
The girls are running through the meadow.
She discovers that all her misfortune is not brought on by herself.
The two boys are playing in the living room.