The Chimpanzee Puzzler

chimpanzee is in, monkey is out

pistachio is in, peanut is out

turkey is in, chicken is out

pumpkin is in, but the pie is out

cacophony is in, harmony is out

stress is in, relaxation is out

variety is in, tedium is out

operetta is in, symphonies are out

hospital is in, but the doctor, nurse and patient are out

roommate and companion are in, but friends and family are out

insecticide is in, but all manner of creepy-crawly things are out, including ants, spiders, bees, bugs, etc. Even centipedes are out, though you may expect them to be in...

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The M-Heart-8 Puzzler

The 0, 1, 2, 720! Puzzler