[#68918770] Changed hospital field's input names from 'familiar' to 'hospital'.
[#68918770] Added tests for the remaining hospital options.
[#68918770] Changed div[4] to div[3] so it'll select the fourth element as described.
Revert "[#68918770] Changed div[4] to div[3] so it'll select the fourth element as described."

This reverts commit ecf6489e5e70f778fd88cfe800876fcab41ac3f6.
Merge pull request #12 from codeforamerica/68918770-hospital-tweaks

68918770 hospital tweaks – name change, moar tests, array element accuracy.