Assuming only one candidate can go to each program, everyone except candidate B gets their top choice since everyone was ranked by each program. Candidate B gets knocked down because Hopkins prefers candidate D, so they go to their next choice of Vanderbilt
Candidate A rank order list:
Harvard
Candidate B rank order list:
Hopkins
Vanderbilt
Candidate C rank order list:
UCLA
Candidate D rank order list:
Hopkins
Candidate E rank order list:
Upenn