You will be given a definition of a task first, then some input of the task.
In this task, you are given two statements. The task is to output whether a given textual premise, i.e. Statement 2, entails or implies a given scientific fact, i.e. Statement 1. The output should be 'entails' if Statement 2 supports Statement 1 and should be 'neutral' otherwise.

Sentence 1: Radioisotopes type of isotopes have short half-lives and are given in very low doses. Sentence 2: 10.4 Storing the animal carcass deep frozen until the isotope has decayed to a very low level is generally not an option with the radioisotopes currently in use, due to the half-lives being insufficiently short.
Output:
neutral