Peter McNab died in 1960 when he suffered a heart attack on golf , his son McNab later played in the second American Soccer League .
Peter McNab died in 1960 , when he suffered a heart attack playing golf . His son , McNab later played in the second American Soccer League .

Are these two sentences paraphrases of each other?
yes

The crusher was operated by the Glen Alden Coal Company , a subsidiary of the Blue Coal Corporation .
The breaker was operated by the Blue Coal Corporation , a subsidiary of the Glen Alden Coal Coal Company .

Are these two sentences paraphrases of each other?
no

Other R & D officials involved in the development of Bon Air were General Andrew Talcott , Col. Thomas M. Logan , Talcott 's son and Thomas Mann Randolph Talcott .
Others involved in the development of Bon Air -- officials were General Andrew Talcott , Col. Thomas M. Logan , Talcott 's son and Thomas Mann Randolph Talcott .

Are these two sentences paraphrases of each other?
yes

Top Gear Hyper Bike is a motorcycle racing game for the Nintendo 64 , developed by Snowblind Studios and published by Kemco .
Hyper Bike is a motorcycle racing game for the Nintendo 64 , which was developed by Snowblind Studios and published by Kemco .

Are these two sentences paraphrases of each other?
yes