Sentence 1: But if you can control it and bring in one of your computers or the parts for one-- Sixteen tries later, Dave was cursing as he stared at a pile of useless items.

Sentence 2: More than a dozen tries later, Dave still had nothing.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Erected over an older Byzantine-style castle, the present 14th- to 15th-century Flamboyant Gothic building fronts the Piazzetta and the basin, the first building to behold upon arrival in Venice.

Sentence 2: The first building one sees up arriving in Venice was built in the 1960s.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: The one attempt to merge the principles of Hinduism and Islam is that of the Sikhs ( disciples ).

Sentence 2: There has never been an attempt at merging Hinduism and Islam.
Is this second sentence entailed by the first?

Answer:
no