Problem: Does "By the late Cretaceous, angiosperms appear to have dominated environments formerly occupied by ferns and cycadophytes, but large canopy-forming trees replaced conifers as the dominant trees only close to the end of the Cretaceous 66 million years ago or even later, at the beginning of the Tertiary." answer the question "What were the angiosperms up to by the late Cretaceous?" OPTIONS:
- yes
- no

A: yes

Problem: Does "or /wm/; Chamorro: Guahan;[needs IPA] formally the Territory of Guam) is an unincorporated and organized territory of the United States." answer the question "What country is Guam a territory of?" OPTIONS:
- yes
- no

A: yes

Problem: Does "An dismissed Deng's clan members from office, exiled them and forced many to commit suicide." answer the question "Who had forced a large number of Empress Dowager Deng's clan members to kill themselves?" OPTIONS:
- yes
- no

A:
no