do infants and children have problems with food allergy?

How would the previous sentence be correctly capitalized?
Answer: Do infants and children have problems with food allergy?
cheap flights from venice treviso to dublin

How would the previous sentence be correctly capitalized?
Answer: Cheap Flights from Venice Treviso to Dublin
of a length/width ratio equal to or greater than 3 1006 20 98

How would the previous sentence be correctly capitalized?
Answer: Of a length/width ratio equal to or greater than 3 1006 20 98
the idea gains shape, is gradually filled and saturated with details, hues, gets colouring.

How would the previous sentence be correctly capitalized?
Answer: The idea gains shape, is gradually filled and saturated with details, hues, gets colouring.