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: In weather terms, the boundary between two air masses is called front. Sentence 2: In weather, all fronts are boundaries    between masses of air with different densities, usually caused by temperature    differences.
entails

Sentence 1: Larval stage developmental stage do alligators lack that most other amphibians have. Sentence 2: Some have a larval stage in development.
neutral

Sentence 1: Humans typically have 23 pairs pairs of chromosomes. Sentence 2: Each human cell contains 23 pairs of chromosomes.

entails