<human>: Does "All modern birds lie within the crown group Aves (alternately Neornithes), which has two subdivisions: the Palaeognathae, which includes the flightless ratites (such as the ostriches) and the weak-flying tinamous, and the extremely diverse Neognathae, containing all other birds." contain the correct answer to "All modern birds lie within which crown group?"
OPTIONS:
- yes
- no
<bot>: yes