context: Russian soldier is located at toothbrush holder. Professor is located at laboratory. University is located at professor. Beaker cannot have a location of sheep farm. Beaker cannot have a location of base of mountain. University is involved with join new club. Test equipment is located at laboratory. Green bean is located at laboratory. Green bean cannot have a location of toothbrush holder. Laboratory is located at university. Beaker cannot have a location of laboratory.
text: Professor is located at laboratory.