Problem: S1: First run 3200m on the outer oval , then on the inner oval .
S2: 3200m races run on the outer oval first , then the inner oval .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Morton was the son of William Morton , a Member of Parliament for Shaftesbury , and a nephew of John Morton , the Archbishop of Canterbury .
S2: Morton was son of William Morton , Member of Parliament for Shaftesbury , and the nephew of John Morton , the Archbishop of Canterbury .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Paul Rosbaud and his brother Hans performed as children with their mother , who teached the piano .
S2: As children , Paul Rosbaud and his brother Hans performed with their mother , who taught piano .

Do S1 & S2 convey the same information?

A:
yes