Emmanuel is missing his puppy. He placed an advertisement in newspapers. He is offering a $$20$ to anyone who can help him find the puppy. Jackson, his neighbour, hears from Emmanuel$$s son that they are missing a puppy. Jackson knows the puppy well. From work, the day after, Jackson sees the missing puppy picks it up and he takes it to his neighbor Emmanuel. Emmanuel was delighted, thanked Jackson but says nothing about the reward. A day later, Jackson read the advertisement and saw the reward. He is demanding the reward. Legally advice