Elly is a 6-year-old girl who was asked to participate in a fun experiment. The researcher placed two clay balls that were equal in shape in front of her. Elly acknowledges that the two clay balls have an equal amount of clay. The researcher then smashes one of the clay balls with the palm of her hand. In Elly's perspective, since the clay items are not equal in shape anymore that means they do not have an equal amount anymore. Why is this the case? Elly has not hit her sensorimotor stage yet Elly is not capable of organizing information Elly has not yet mastered math Elly has a lack of conservation