The PBA season 1990 was the 16th PBA ( Philippine Basketball Association ) season .
The season 1990 PBA was the 16th season of the Philippine Basketball Association ( PBA ) .

Are these two sentences paraphrases of each other?
yes

The next day he forced Kyokutenho to surpass Chiyonofuji and stand in first place alone .
The following day he forced out Kyokutenho to surpass Chiyonofuji and stand alone in first place .

Are these two sentences paraphrases of each other?
yes

Their leaders sought European protection to stabilize their authority and to support trade .
Their leaders sought European protection to support their authority and stabilize trade .

Are these two sentences paraphrases of each other?
no

Top layers contain technologies that are not yet implemented or contain just ideas that should be standardized in order to realize Semantic Web .
Top layers contain technologies that are not yet standardized or contain only ideas that should be implemented to realize Semantic Web .

Are these two sentences paraphrases of each other?
no