Q: Does "Anthropology is the study of humans and their societies in the past and present." provide a valid answer to "What is anthropology a study of?"?
A: yes

Q: Does "In practice, however, word order is flexible and used for topicalization and focus." provide a valid answer to "Because word order is flexible in Czech, what does it tend to actually be used for?"?
A: yes

Q: Does "Food that could last for several days and could be eaten without heating was preferred." provide a valid answer to "What type of food was preferred in Rajasthani cooking?"?
A: yes

Q: Does "Von Neumann improved and extended the minimax theorem to include games involving imperfect information and games with more than two players, publishing this result in his 1944 Theory of Games and Economic Behavior (written with Oskar Morgenstern)." provide a valid answer to "Who was co-author with von Neman on the Theory of Games and Economic Behavior?"?
A:
yes