answer: i have a macbook pro so i don't have many usb
paragraph_question: question: How can I have more usb port on my PC?, context: i have a macbook pro so i don't have many usb ports and this works great and was really cheap! 
question: How can I have more usb port on my PC?
sentence: i have a macbook pro so i don't have many usb ports and this works great and was really cheap!
paragraph: i have a macbook pro so i don't have many usb ports and this works great and was really cheap! 
sentence_answer: <hl> i have a macbook pro so i don't have many usb <hl> ports and this works great and was really cheap!
paragraph_answer: <hl> i have a macbook pro so i don't have many usb <hl> ports and this works great and was really cheap! 
paragraph_sentence: <hl> i have a macbook pro so i don't have many usb ports and this works great and was really cheap! <hl>