1предложение: animal behaviourist 2: stay perfectly still 3: artistic creativity 4: add value to 5: private property 6: grains of rice

I want this animal behaviourist to leave as soon as possible. I noticed them stay perfectly still yesterday. He always makes us show our artistic creativity. I expect him to add value to our project. People know this private property to be very expensive. Have you seen them eating grains of rice?