Toxicological trivia from September 03, 2014: Ligustrum vulgare (wild privet, also sometimes known as common privet or European privet), is a semi-evergreen or deciduous shrub, growing to 3 m (rarely up to 5 m) tall. The stems are stiff, erect, with grey-brown bark spotted with small brown lenticels. The fruit is a small glossy black berry 6–8 mm diameter, containing one to four seeds. The berries are poisonous to humans but readily eaten by thrushes, which disperse the seeds in their droppings.Symptoms include: a) Drowsiness and incoordination of movements; b) Vomiting and diarrhea; c) Both previous statements are correct. 

Correct answer: c. Read more in Spanish article: FAQ: venenitos.