Assertion: field mouse | /r/HasProperty | male
Facets:
value: especially
type: OTHER
Source sentences:
text: So I set to googling the hows and whys, until the basic crystalline structure of our problem (specifically) and the scourge of mouse urine (generally) became clear: field mice, especially males, secrete proteins in their urine to signal to other mice their sex, degree of male dominance, age, and genetic makeup.