Sentence 1: As you face the harmoniously asymmetrical western facade, the southern tower, the Clocher Vieux, is a prime example of Roman?esque simplicity, whereas the taller northern tower, the Clocher Neuf, is already lighter, with its slender, more ornate steeple.

Sentence 2: The southern tower was erected before the northern tower.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: It's also possible that experience will lead them to approximate rationality, and they'll reduce their bids.

Sentence 2: Approximate rationality might cause them to make smaller bids.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: wow how about that that i'm not quite as mechanically inclined although that some of the the basic things that you need to do for uh the maintenance of your warranty on a vehicle

Sentence 2: I have to take my vehicle to a mechanic to complete the needed work.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell