Problem: S1: Biswas was married to Aruna Biswas . They had a daughter Jyotsna Biswas .
S2: She was married to Jyotsna Biswas , they had a daughter Aruna Biswas .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Harvey had been the last to speak to Oates .
S2: Harvey had been the last person to speak to Oates .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Moses Hart ( November 26 , 1768 -- October 15 , 1852 ) was a Canadian businessman and seigneur , eldest son of Aaron Hart .
S2: Moses Hart ( November 26 , 1768 -- October 15 , 1852 ) was a Canadian businessman and seigneur , the eldest son of Aaron Hart .

Do S1 & S2 convey the same information?

A:
yes