inconsistencies in hierarchy between envo-basic.obo, envo-basic.json, and envo-basic.owl

[wdduncan]

The hierarchies differ in the envo-basic.obo, envo-basic.json, and envo-basic.owl files.

For example, here is hierarchy for lake in envo-basic.obo:

The corresponding json in envo-basic.json does not have a "is_a": ... block.

The envo-basic.owl file, however, does have a hierarchy:

cc @cmungall

[wdduncan]

related to #1198