you can bring a limited amount of liquid, cream and gel through security:

How would the previous sentence be correctly capitalized?
Answer: You can bring a limited amount of liquid, cream and gel through security:
show family tree starting with henry mathiassen

How would the previous sentence be correctly capitalized?
Answer: Show family tree starting with Henry Mathiassen
another consideration is that, even though the producer treats the textile so that it no longer creases, there will still be users of the t-shirt who iron it.

How would the previous sentence be correctly capitalized?
Answer: Another consideration is that, even though the producer treats the textile so that it no longer creases, there will still be users of the T-shirt who iron it.
in 1905, this interest in chinese became the road that vacca decided to follow.

How would the previous sentence be correctly capitalized?
Answer: In 1905, this interest in Chinese became the road that Vacca decided to follow.