Consider the following statements about major festivals of Punjab:

Lohri marks the winter solstice and is associated with the harvest season.

Baisakhi is both a harvest festival and the day when Guru Gobind Singh established the Khalsa Panth.

Hola Mohalla is a Sikh festival that includes martial arts demonstrations and is celebrated after Holi.

Guru Nanak Jayanti is observed on Vaisakhi every year.

Which of the above statements are correct?