A same meaning or not problem:
( Formula 26 are normal vectors at the intersection points and their scalar product is Formula 27 )
( formula _ 26 are normal vectors at the intersection points . Their scalar product is formula _ 27 . )
****
[A]: yes

A same meaning or not problem:
This was also the first series since the fifth , including a railway consultant in the role as part of the production team with Sam Wilkinson .
This was also the fifth series since the first including a railway consultant in the role as part of the production team with Sam Wilkinson .
****
[A]: no

A same meaning or not problem:
Talagang Tehsil is a subdivision ( tehsil ) of the district of Chakwal in the Pakistani province Punjab .
Talagang Tehsil , is a subdivision ( tehsil ) of Chakwal District in the Punjab province of Pakistan .
****
[A]: yes

A same meaning or not problem:
In December 1883 he moved for two years to Los Angeles and then to Fresno .
In December 1883 he moved for two years to Fresno and Los Angeles .
****
[A]:
no