Sentence 1: Long before the arrival of the first Europeans, Nagasaki had been a major focus of Japan's trade with China.

Sentence 2: After the Europeans came, Nagasaki no longer played an important role in Japan's trade with China.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Add the shrill vocals of former Sex Pistol John Lydon, and the result is Leftfield's hectoring . Drench a track in shadowy atmosphere, and the result is the ominous soundscape of Tricky's . Combine '50s space music, French pop balladeering, and Marxist catch phrases, and the result is such Stereolab confections as . Transpose the cyclical rhythms of dance music (and work by minimalist composers like Steve Reich) to guitars, and the result is the hypnotic disorientation of My Bloody Valentine's . Include reggae rhythms and quotations from Indian and Arabic music, and the result is the ethno-techno of Loop Guru tracks like .

Sentence 2: Mixing Bob Marley's earlier tracks with the current hit from Guru Krishna's yoga meditation music and the result is Taylor Swift's 1989 album.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: If the MBMFC rule was removed and all mailers could choose between 11

Sentence 2: The MBMFC rule is holding back many potential mailers.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell