Does "Bacteria were once seen as simple bags of cytoplasm, but structures such as the prokaryotic cytoskeleton and the localization of proteins to specific locations within the cytoplasm that give bacteria some complexity have been discovered." contain the correct answer to "What bacteria was observed as before prokaryotic cytoskeleton was discovered?"
OPTIONS:
- yes
- no

A: yes

Does "However, from 1971 to 1975, NBA teams played preseason exhibitions against American Basketball Association teams." contain the correct answer to "When did the NBA play preseason games against the ABA?"
OPTIONS:
- yes
- no

A: yes

Does "The Norman frontiers had limited natural defences but were heavily reinforced with castles, such as Chateau Gaillard, at strategic points, built and maintained at considerable expense." contain the correct answer to "What castle was built at a strategic point?"
OPTIONS:
- yes
- no

A:
yes