Text: Popular protest in the big cities in 1919 at first took the non-violent form of a hartal, an Indian  strike  called when the soul is shocked by an injustice.
Entailment: In 1919, protests in the large cities began non-violently in the Indian style strike called a hartal, to be instituted when the soul is shocked by an injustice.
Contradiction: Protest in the big cities began in 1919 with mass looting and rioting in the streets