#1
S
= This is Peter's book
= These are Peter's books
s
= These are the students' books
s s
= These are the men's hats
s
= This is the Tailors' house
#1
S
= This is Peter's book
= These are Peter's books
s
= These are the students' books
s s
= These are the men's hats
s
= This is the Tailors' house
: 1 (0 1 )