What is the longest word in the dictionary?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Give it food and it will live; give it water and it will die.

What is the next shape from answers A, B, C, and D figure?

What can you catch but never throw?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

How many times can you subtract the number two from the number fifty?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?