Answer:
If you have me, you want to tell me. If you tell me, you don't have me.
When this is found in a road you are forced to make a decision.
Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?
Without coolant, you'll have some trouble with this.
What type of house weighs the least?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?