1. Although it was never played in the series , elements of the gameplay for the Powerball , Whiplash and Earthquake events have been used .
2. Although it was never played in the series , elements of the gameplay were used for the Powerball , Whiplash and Earthquake events .

yes

1. The Timis River is a tributary of the Calova River in Romania .
2. The Calova River is a tributary of the Temesch River in Romania .

no

1. Note : '' NA '' -- Information was not listed on the page cited .
2. Note : '' NA '' -- Information was not quoted on the page listed .
no