Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_16083989_1 (species VARCHAR, voges_proskauer VARCHAR, indole VARCHAR)
### Question:
Which species show a negative result with both voges-proskauer and indole?
### Answer:
SELECT species FROM table_16083989_1 WHERE voges_proskauer = "Negative" AND indole = "Negative"