Which tool to use? Grounded reasoning in everyday environments with assistant robots. - Lydia Fischer; Stephan Hasler; Joerg Deigmoeller; Thomas Schnuerer; Michael Redert; Ulrike Pluntke; Katrin Nagel; Chris Senzel; Joern Ploennigs; Andreas Richter; Julian Eggert (CogRob@KR, 2018)