Assertion: cockatiel's behavior | /r/HasProperty | established
Facets:
Source sentences:
text: It really is important to learn to understand them and to guide their behavior before an undesirable behavior has been established.
text: It really is important to learn to understand them and to guide their behavior before an undesirable behavior has been established.
text: It really is important to learn to understand them and to guide their behavior before an undesirable behavior has been established.