" The reasons behind the increase in incidence are more complex and we are only just beginning to understand the risk factors , " he said .

However , he said , The reasons behind the increase in incidence are more complex and were just beginning to understand the risk factors .

Please tell me if the sentences above mean the same.
OPTIONS:
- no
- yes
yes
"Orsakerna bakom ökningen av förekomsten är mer komplexa och vi har bara börjat förstå riskfaktorerna," sade han. Men, sade han , Orsakerna bakom ökningen av förekomsten är mer komplexa och bara började förstå riskfaktorerna . Säg mig om meningarna ovan betyder samma sak. ALTERNATIV: - nej - ja
"The reasons behind the increase in incidence are more complex and we're just beginning to understand the risk factors," he said. But, he said, the reasons behind the increase in incidence are more complex and just began to understand the risk factors. Tell me if the sentences above mean the same thing. ALTERNATIVE: - no - yes
ja
yes