The given information tells us that June Huh won the Fields medal and dropped out of college, but it does not specify whether every Fields medalist has dropped out of college or whether all Fields medalists share similar characteristics like winning medals in the International Mathematics Olympiad or being poets.
(A) is false because it is not stated that every Fields medalist wins an International Mathematics Olympiad medal.
(B) is false because the statement that "everyone who has dropped out of college has won the Fields medal" cannot be logically inferred from the provided information.
(C) is false because we are not told that all Fields medalists are poets.
(D) is true because it is logically inferred that June Huh, a Fields medalist, dropped out of college, implying that some Fields medalists have dropped out of college.
Thus, the correct answer is (B) and (D).