The teacher says: "Now how many bears are there in all?" a. Child 1 is unable to answer. b. Child 2 says "1, 2, 3, 4, 5, 6" while pointing to the covered bears, then points at the new bear and says "7," and finally says "there are 7 bears." c. Child 3 says "6" while pointing to the covered bears, then points at the new bear and says "7," and finally say "there are 7 bears." Write 2 to 3 paragraphs comparing the children's different responses and their understanding of "cardinality".