Which of the following claims are based on scientific evidence?

Red sky at night sailors' delight, red sky in morning sailors take warning.

Touching toads gives you warts.

It's safe to eat food dropped on the floor as long as you adhere to the 5-second rule.

Chicken soup is good for the common cold.

Question

Which of the following claims are based on scientific evidence?
		
Red sky at night sailors' delight, red sky in morning sailors take warning.
		
Touching toads gives you warts.
		
It's safe to eat food dropped on the floor as long as you adhere to the 5-second rule.
		
Chicken soup is good for the common cold.

eric_d · Answer

It's definitely not 1st option and 3rd option
I guess it's 4th option