instruction:
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.
question:
Sentence 1: Test wells are drilled to monitor groundwater pollution. Sentence 2: It is therefore obvious that a groundwater monitoring approach based on vertical monitoring wells is not reliable for detecting landfill liner failure before widespread groundwater pollution occurs.
answer:
neutral

question:
Sentence 1: Ion drives have low thrust but high efficiency. Sentence 2: Introduction of charge bump near the junction leading to formation of low- high-low profile by using ion implantation technique can be used to restore high efficiency and high power.
answer:
neutral

question:
Sentence 1: Menstrual cycle is the name for a series of changes in the reproductive system of mature females that repeats every month on average. Sentence 2: Helps female reproductive system and menstrual disorders.
answer:
neutral