How similar are these two sentences, on a scale from 0-5 (0 is "not similar" and 5 is "very similar")?

In a mixture of ancient pagan and modern Christian rites, the villagers have staged a series of ceremonies hoping to erase the misfortunes they believe have kept them poor.
In a mixture of ancient Melanesian pagan and modern Christian ceremonies the people tried again to erase the misfortunes they believe have kept them poor since that long-ago meal.

pick from the following.
(I). 0.
(II). 1.
(III). 2.
(IV). 3.
(V). 4.
(VI). 5.
(V).