Theo other answer is incorrect, the first blank is undulate and the second is oscillate
Undulate is to rise and fall like waves and oscillate is to swing back and forth.
What's unique is the warmth that Van Gogh brings to the outdoor space of the patio. The rest of the building, above the awning, and into the street and sky the colors are primarily blue. This cool, and darker, atmosphere really makes the table and chairs stand out with a familiar warmth. It feels like Van Gogh liked this place and was comfortable there, that he might have seen it as somewhere welcoming, familar, and worth shining a metaphorical (and literal in the painting) light on as a space to go in the city.
Answer:
b because it's on order of 0 1 2 3 4 so there
