A man in a red shirt is standing next to a woman in a blue dress. They are both holding hands and smiling at each other. The new policy has increased the number of tourists visiting the city. As the location of the city's greatest historical sites, Old Havana is where you'll want to spend most of your time if it is limited. However, the city's worst historical sites are not worth visiting. The sentence 'If I think not, he said firmly' is in the past tense. Can we conclude that 'I think so, he said firmly' is also in the past tense?
yes
no
no