Problem: S1: In conservative potential coordinates , the Hamilton operator can be written of a free particle moving in a spherical '' U '' .
S2: In conservative potential coordinates the Hamiltonian of a free particle moving in a spherical '' U '' can be written

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: Pabawena wrote in 1949 to Utah Senator Arthur V. Watkins to report :
S2: Chief Pabawena wrote Utah Senator Arthur V. Watkins in 1949 to report :

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The river Voievodeasa is a tributary of the Sucevita River in Romania .
S2: The Sucevita River is a tributary of the Voievodeasa River in Romania .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no