Ask orally, sign, display a large word/symbol, or use AAC. Wait for the child’s own decision. Record other coherent intentions rather than forcing the adult’s story.
Day
Prompt
21
“What is the same at START, and how are your two possible endings different?”
22
“Which sign belongs to which ending? Can you trace each pair?”
23
“You selected one sign. Which ending should I show, and which stays hidden?”
24
“What should a paper reader see before choosing? What stays covered until then?”
25
“Which triangle ending stays the same, and which one needs a new place?”
26
“What did you choose for your opening, your two endings and the way someone selects one?”
27
“What did you expect after this sign? What actually appeared when we opened it?”
28
“Which one clue did you change so the two choices can be told apart?”
29
“Do you want a willing person to try it, practise privately, choose later or pass?”
30
“Which ending needs changing so each sign leads to its matching shape?”