Sentence 1: Jasmine always spoke in a soft voice. 
 Sentence 3: When she performed at the school's concert, everyone was shocked 
 Sentence 4:  She sang so beautifully, no one believed it could come out of her 
 Sentence 5:  But as soon as she was done, she went back to speaking softly 
 Option 1: People only could hear when she sung. 
 Option 2: People had to strain their ears to hear her.