The development of Bas 90 began in the 1970s and started being implemented in the 1980s .
The development of Bas 90 started in the 1970s and began implementation in the 1980s .

Are these two sentences paraphrases of each other?
yes

The cast for the third season of '' California Dreams '' was the same as for the fourth season occupation .
The cast for the third season of '' California Dreams '' was the same as the cast for the fourth season .

Are these two sentences paraphrases of each other?
yes

Colombres is one of three parishes ( administrative districts ) in Ribadedeva , a municipality in the province and autonomous community of Asturias , northern Spain .
Colombres is one of three parishes ( administrative divisions ) in Ribadedeva , a municipality within the province and autonomous community of Asturias , in northern Spain .

Are these two sentences paraphrases of each other?
yes

In the Middle Ages , Spain saw a slow Christian re-conquest of Muslim territories .
In the Middle Ages , Spain experienced a Muslim re-conquest of slow Christian territories .

Are these two sentences paraphrases of each other?
no