1.Because they were tried, the visitors sat down for a rest.
Because of being tired, the visitors sat down for a rest
2.Everyone in this small town loves Mr.Parker because of kindness.
Because Mr Parker is kind, everyone in this small town loves him
3.Because of its simplicity, this test can be easily done.
Because the test is simple, it can be easily done 
4.Bears can't see well because she have small eyes.
Because of her small eyes, she can't see well
5.They gave up going on picnic because of the heavy rain.
Because it rained heavily, they gave up going on picnic