This doesn't occur before the formal operational stage.
According to Jean Piaget, a Swiss psychologist, every person goes through 4 developmental stages:
- sensorimotor : birth - 24 months
- preoperational: 24 months - age 7
- concrete operational: 7 - 14
- formal operational: adolescence - adulthood
Only when we reach the final stage of development can we put ourselves in somebody else's shoes and see things from their perspective, according to Piaget.
I believe the answer is: broken glass.
This proof that the grouping/representing process of a certain events or objects. This process usually resulted in the creation of words or actions that would ignite other memory due to its relevance. (in the example above, it's the word 'smahed' and actual broken glass.<span />