You Have Four Similar,apparently Related Fossils

question 2

Short Answer

You have four similar,apparently related fossils.
1.Fossil 1 is similar to a lobe-finned fish,with a neck,flexible wrists,finger bones,and thick ribs.
2.Fossil 2 is similar to a lobe-finned fish,with a neck and flexible wrists.
3.Fossil 3 is similar to a lobe-finned fish,with a neck.
4.Fossil 4 is appears to be an amphibian lacking scales,with a neck,flexible wrists,finger bones,and thick ribs.
Which one of these would be considered a tetrapod?