Use words like 'because', 'when' or 'despite' to make the sentence complex. Write your answers on a piece of paper. An example has been done for you. Poppy sat on the beach. She ate a big ice cream.

For example ... or so complex that they make no sense at all -- evoked very little activation in the language network. The largest responses came from sentences that make some sense but require ...

And forget dumbed-down baby talk: Longer, more complex sentences are better ... or higher quality day care or even some sort of "Let's talk" campaign aimed at new parents to stress talking ...