Assertion: octopus's tank | /r/HasProperty | occupied by octopode
Facets:
Source sentences:
text: It appears that the keeper, whilst engaged in cleaning out the tank occupied by the octopodes, was suddenly seized by the leg (fortunately he had sea boots on) by the largest of the octopodes, which fastened four of his tentacles round the leg of the boot, and with the other four held firmly on to the rocks forming the back of the tank.