Answer:
What does a WW1 Trench, A Submarine and a Popular Phone App all have in common?
What can burn the eyes, sting the mouth, yet be consumed?
You will find me with four legs, but no hair. People ride me for hours, but I don't go anywhere without needing to be tugged. Jerked or turned on, I always manage to be ready for work.
What has two legs but doesn't walk?
I am the hole in the night, the ever watchful eye. I return in a cycle, to enlighten the sky.
Dark, feathery, and popular in Baltimore and fantasy books.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?