A positively charged rod then touches the balls and gives them equal positive charges, at which point they repel each other.
(A positively charged rod; touches; the balls; T:then) (A positively charged rod; gives; them; equal positive charges, at which point they repel each other; T:then) (they; repel; each other; L:equal positive charges; T:at which point)
A positively charged rod A positively charged rod they
touches gives repel
the balls T:then
them equal positive charges, at which point they repel each other T:then
each other L:equal positive charges T:at which point