Question:
Based on the premise "The people farmed and fished; on the dawning of the Bronze Age in 2700 b.c. , they began to work with metals.", can we conclude that "The people farmed until they learned to use metals and then they made tools."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Oregon State University anthropologist Rob Bonnichsen thinks the latter is a possibility, which would explain why some ancient American tools are more similar to European ones than to Asian ones.", can we conclude that "Ancient tools from America and Europe have more in common with each other than tools from Asia."?
****
Answer:
yes

Question:
Based on the premise "no it wasn't", can we conclude that "It was that."?
****
Answer:
no