Problem: S1: The Vanata river is a tributary of the River Milotina in Romania .
S2: The Milotina River is a tributary of the Vanata River in Romania .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Javier Moracho Torrente ( born August 18 , 1957 in Spain ) is a former Monzon Huesca hurdler .
S2: Javier Moracho Torrente ( born August 18 , 1957 in Spain ) is a retired hurdler from Monzon , Huesca .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: These airlines operate more than 80 cities all over India and , after the liberalisation of Indian aviation , also connect overseas routes .
S2: These airlines connect more than 80 cities across India and also operate overseas routes following the liberalisation of Indian aviation .

Do S1 & S2 convey the same information?

A:
no