Bella: Are we going to buy anything for the teacher?
Trevor: why?
Bella: At the end of the course
Kevin: Nice idea! She's the best language teacher I ever had
Bella: Exactly, and she's done it completely for free
Trevor: Ok. Flowers? 
Bella: or a voucher
Kevin: Or both, it's not much
Bella: 20 euro each?
Kevin:👍 but ask also tomorrow after the lesson, most of them don't even check the group
Bella, Trevor and Kevin are going to buy flowers and a voucher for their language teacher at the end of the course.