Premise:
"well and even if they didn't you can still get a good idea from a if you can get a good mechanic to check it over real carefully and check the blocks and everything"
Hypothesis: There are several good mechanics around this place that can help you.

it is not possible to tell

Premise:
"And all in the shadow of the Duomo, most grandiose of Italy's Flamboyant Gothic cathedrals."
Hypothesis: The Duomo, Italy's greatest example of Gothic architecture, dominates the landscape.

yes

Premise:
"Witness the crowd's unashamedly chauvinistic partisanship at Rome's international open tennis championships or the Davis Cup."
Hypothesis: Rome's tennis championships really bring out the community's chauvinistic and partisan tendencies.
yes