Premise: Borrelia is a genus of bacteria of the spirochete phylum . Borrelia afzelii is a species of Borrelia a bacterium that can infect various species of vertebrates and invertebrates . Among 30 Borrelia known species , it is one of four which are likely to infect humans causing a variant of Lyme disease .
Hypothesis: Borrelia afzelii is in a phylum.
Label: ENTAILMENT