claim: Key & Peele has won two Academy Awards.
evidence: Catalyst poisoning refers to the partial or total deactivation of a catalyst caused by exposure to a range of chemical compounds .. catalyst. catalyst. Poisoning may be desirable when it results in improved selectivity -LRB- e.g. Lindlar 's catalyst -RRB- but may be undesirable when the catalyst is rendered ineffective -LRB- e.g. Lead in catalytic converters -RRB- .. catalyst. catalyst. Lead. Lead. catalytic converters. Catalytic converter#Damage. Poisoning refers specifically to chemical deactivation , rather than other mechanism of catalyst degradation such as thermal decomposition or physical damage .. catalyst. catalyst. thermal decomposition. thermal decomposition