Does the sentence "As the centre of Australia's "rust belt", Melbourne experienced an economic downturn between 1989 to 1992, following the collapse of several local financial institutions." provide a valid answer to the question "During which years did Melbourne experience an economic downturn?" OPTIONS:
- yes
- no

A: yes

Does the sentence "He also recognises that other minerals have characteristic crystal shapes, but in one example, confuses the crystal habit with the work of lapidaries." provide a valid answer to the question "What classification guide did Theophrastus create?" OPTIONS:
- yes
- no

A: no

Does the sentence "Low numbers wouldn't be a problem for apex predators if there was an abundance of prey and no competition or niche overlap, a scenario that is rarely, if ever, encountered in the wild." provide a valid answer to the question "What two apex predators do not have a small population size?" OPTIONS:
- yes
- no

A: no

Does the sentence "The Luftwaffe lost 18 percent of the bombers sent on the operations that day, and failed to gain air superiority." provide a valid answer to the question "The Luftwaffe lost what percentage of its bombers sent that day?" OPTIONS:
- yes
- no

A:
yes