[tag=NNS] [lemma=□] □
[tag=NNS] [lemma=","] □
[tag=NNS] [lemma=lead] □
As an example , if you want to demonstrate one of DeMorgan 's theorems , you just wire up a pair of switches so that they drive the inputs to both forms of the logic statements appearing on opposite sides of the theorem , and see visually that for every possible combination of inputs , the LED responses at the outputs of the two circuits are the same . It identifies the leading companies , the leading brands and offers strategic analysis of key factors influencing the market - be they new product developments , packaging innovations , economic / lifestyle influences , distribution or pricing issues . For example , our original approval process for the mission designs involved the lead artists , the lead engineers , the lead designers , the artist working on the level , the producers , and management .