f X g n__h n__f X h X n__h X f X n__f X activate n__h X h activate X activate n__f X f activate X activate X X 2.2 activate n__f X activate X activate n__h X h activate X activate n__f X f activate X activate n__h X activate X true activate n__h X activate X activate n__f X activate X true h 1 0 n__h 1 1 1 activate 1 0 activate 1 1 0 f 1 0 h 1 0 n__f 1 1 1 f 1 0 g 1 0 activate n__f X f activate X false activate n__h X h activate X false NaTT certifiable-1.6