Which answer is the best correction of the run-on?
A blue jay sits on the window sill it sings its song all morning long.
Responses
A blue jay sits on the window sill, and it sings its song all morning long.
A blue jay sits on the window sill, and it sings its song all morning long.
A blue jay sits on the window sill. It sings. Its song all morning long.
A blue jay sits on the window sill. It sings. Its song all morning long.
A blue jay sits on the window sill. It sings its song. All morning long.
A blue jay sits on the window sill. It sings its song. All morning long.
A blue jay sits. On the window sill, it sings. Its song all morning long.