Which situation would be considered pseudoscience?

Students gather to identify species of plants in their neighborhood.

A student's lucky necklace helps her win another volleyball tournament.

Students are successful in petitioning for organic food in the cafeteria.

A student tries eating all natural foods for one month to see if she has more energy.

Question

Which situation would be considered pseudoscience?
	
Students gather to identify species of plants in their neighborhood.
 	
A student's lucky necklace helps her win another volleyball tournament.
 	
Students are successful in petitioning for organic food in the cafeteria.
 	
A student tries eating all natural foods for one month to see if she has more energy.

vocaloid · Answer

hint: pseudoscience means "fake science", or something that isn't based on real, tested, peer-reviewd science

any ideas on what the answer could be?