ex.2
2 produce
3 protect
4 produces
5 causes
6 protect
7 produced
ex.3
2 retiring
3 to leave
4 to find
5 to visit
6 come
ex.4
2 to
3 for
4 on
5 about
6 for
7 of
8 about
ex.2
2 produce
3 protect
4 produces
5 causes
6 protect
7 produced
ex.3
2 retiring
3 to leave
4 to find
5 to visit
6 come
ex.4
2 to
3 for
4 on
5 about
6 for
7 of
8 about