Sentence 1: A provision written into the bride's dowry granted special favors to British settlers on Madeira; had Charles been more aggressive still, perhaps the Portuguese would have agreed to hand over the island to Britain in its entirety.

Sentence 2: A provision gave Italians special favors.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Even if you used Add/Remove on Internet Explorer, Wininet.dll, Urlmon.dll, and Mshtml.dll are still there.

Sentence 2: Internet Explorer has a reputation of being inferior to all of its competitors.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: we as i said we have had a uh relatively mild winter for speaking for this area of the country

Sentence 2: We are not used to having a mild winter.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell