In 2013 , Saba began his rapping and continued to create his second Mixtape , '' ComfortZone '' .
Saba began rapping in 2013 and continued to create his second mixtape , '' ComfortZone '' .

Are these two sentences paraphrases of each other?
yes

If we know the Formula 35 probability distribution functions , we can calculate the functional formula 36 and find the optimal reservation price from it .
Thus , if we know the probability distribution - Function Formula 35 , we can find the Formula 36 function and calculate the optimal reservation price from it .

Are these two sentences paraphrases of each other?
no

The Pike County School System consists of 25 high schools , middle and elementary schools .
The Pike County School System consists of 25 high , middle , and elementary schools .

Are these two sentences paraphrases of each other?
yes

The soundtrack theme was composed by John Williams and was performed by Paul McCartney .
The soundtrack theme was composed by John Williams and performed by Paul McCartney .

Are these two sentences paraphrases of each other?
yes