Problem: S1: Comedian Soupy Sales released a song in 1966 called '' Backwards Alphabet '' which contained the lyrical alphabet in reverse style .
S2: In 1966 , Comedian Soupy Sales released a song called '' Backward 's Alphabet '' , which contained the lyrical alphabet in reverse style .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: On 16 January 2018 , Frontier Airlines announced a codeshare agreement with the American low-cost carrier Volaris .
S2: On January 16 , 2018 , Volaris announced a codeshare agreement with American low-cost carrier Frontier Airlines .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Olympias is a reconstruction of an experimental trireme and an important example of ancient Athenian archaeology .
S2: Olympias is a reconstruction of an old Athenian trireme and an important example of experimental archaeology .

Do S1 & S2 convey the same information?

A:
no