Problem: S1: You have two sons and one daughter , Alex , Jake and Andy .
S2: They have two sons and one daughter , Alex , Jake , and Andy .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Phytolithes may be colorless , light brown or opaque , most are transparent .
S2: Phytoliths may be colorless , light brown , or opaque ; most are transparent .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Grundtvig was married three times , the last time in his seventiest year .
S2: Grundtvig was married three times , the last time in his seventy-sixth year .

Do S1 & S2 convey the same information?

A:
no