Problem: S1: They presented singer Ronnie Sweetheart , bassist Roger Ericson , drummer Ronnie Magri and guitarist Danny Nordahl .
S2: They featured singer Ronnie Sweetheart , bassist Roger Ericson , drummer Ronnie Magri and guitarist Danny Nordahl .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Itamati has one degree college , one junior college , three upper primary schools and six high schools .
S2: Itamati has one degree college , a junior college , three high schools and six primary schools .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Tangasaurus is an extinct genus of the late Changhsingian Tangasaurids Neodiapsid , known from the late Permian period ( aquatic basal stage ) of Tanga , in northeastern Tanzania .
S2: Tangasaurus is an extinct genus of aquatic basal tangasaurid neodiapsid known from the Late Permian period ( late Changhsingian stage ) of Tanga , northeastern Tanzania .

Do S1 & S2 convey the same information?

A:
no