Problem: S1: In October 2001 , he defended his Ph.D. in Psychology at the Free University of Brussels on the theme of the human models of cognitive hypertext navigation .
S2: In October 2001 , he defended his Ph.D. in Psychology from the Free University of Brussels on cognitive models of human hypertext navigation .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Wally Masur defeated Bill Scanlon 6 -- 4 , 7 -- 6 to secure the title .
S2: Wally Masur defeated Bill Scanlon with 6 -- 4 , 7 -- 6 to secure the title .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The tournament won John Higgins , defeated Matthew Stevens 9-7 in the final .
S2: John Higgins won the tournament , defeating Matthew Stevens 9-7 in the final .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes