Break the sentences down into individual parts. Break each part down until you cannot break them down any further.
With this many unicorns, we must be in a tech bubble.
- How many unicorns are there?
- What defines a unicorn?
- What defines a tech bubble?
- Does the number of unicorns mean were in a bubble?
All the good startup ideas are taken.
- What defines a good idea?
- What ideas are taken?