Assertion: binomial's variable | /r/HasProperty | style
Facets:
Source sentences:
text: age.group: independent variable (3 levels: young, middle-aged and old) education: independent variable (3 levels: secondary or below, university and postgraduate) residence: independent variable (3 levels: villager, migrant (to town) and urbanite) style: independent variable (2 levels: careful and casual) pre_sound: independent variable (3 levels: consonant, pause and vowel)