question: take advantage of the black network of industry contacts for a stay up to date with the latest events, exciting competitions and exclusive bonuses.
Capitalize this past sentence correctly.
A: Take advantage of the black network of industry contacts for a stay up to date with the latest events, exciting competitions and exclusive bonuses.

question: tip: incorrect dfm file association errors can be a symptom of other underlying issues within your windows operating system.
Capitalize this past sentence correctly.
A: Tip: Incorrect DFM file association errors can be a symptom of other underlying issues within your Windows operating system.

question: good science often means trying new things and making mistakes.
Capitalize this past sentence correctly.
A: Good science often means trying new things and making mistakes.