the sephardic jews may also be said to have paid more heed to them than the gentile masses around them.

How would the previous sentence be correctly capitalized?
Answer: The Sephardic Jews may also be said to have paid more heed to them than the Gentile masses around them.
he held the two posts, one at the moscow state teachers training institute and the other at the steklov institute, until he retired in 1972 and 1973 respectively.

How would the previous sentence be correctly capitalized?
Answer: He held the two posts, one at the Moscow State Teachers Training Institute and the other at the Steklov Institute, until he retired in 1972 and 1973 respectively.
dog may extends its head and neck during swallowing

How would the previous sentence be correctly capitalized?
Answer: Dog may extends its head and neck during swallowing
caibarien is filled with people in summer, sun and beach tourism, but in low season it is numbed and you can visit quietly, no hurry.

How would the previous sentence be correctly capitalized?
Answer: Caibarien is filled with people in summer, Sun and beach tourism, but in low season it is numbed and you can visit quietly, no hurry.