# Import threshold and gray convertor functions
from skimage.____ import ____
from skimage.color import ____

# Turn the image grayscale
gray_tools_image = ____

# Obtain the optimal thresh
thresh = ____(tools_image)

# Obtain the binary image by applying thresholding
binary_image = gray_tools_image > ____

# Show the resulting binary image
show_image(binary_image, 'Binarized image')
