feature groups:
 - group: Next Lattice Unigram
   features:
   - L0|a,L0|a
   - L0|t,L0|t

 - group: Next Lattice Bigram
   features:
   - L0|t+L1|t,L0|a
   - L0|t+L1|a,L0|a
   - L0|a+L1|t,L0|a
   - L0|a+L1|a,L0|a

 - group: Next Lattice Trigram
   features:
   - L0|t+L1|t+L2|t,L0|a
   - L0|t+L1|a+L2|t,L0|a
   - L0|a+L1|t+L2|t,L0|a
   - L0|a+L1|a+L2|t,L0|a
   - L0|t+L1|t+L2|a,L0|a
   - L0|t+L1|a+L2|a,L0|a
   - L0|a+L1|t+L2|a,L0|a
   - L0|a+L1|a+L2|a,L0|a

 - group: Idle
   idle: true
   features:
   - L0|i,n/a

#  - group: Next Lattice Previous Path Bigram
#    idle: true
#    features:
#    - L0|a+L0|i,L0|t

feature groups:
 - group: Next Lattice Unigram
   features:
   - L0|a,L0|a
   - L0|t,L0|t

 - group: Next Lattice Bigram
   features:
   - L0|t+L1|t,L0|a
   - L0|t+L1|a,L0|a
   - L0|a+L1|t,L0|a
   - L0|a+L1|a,L0|a

 - group: Next Lattice Trigram
   features:
   - L0|t+L1|t+L-1|t,L0|a
   - L0|t+L1|a+L-1|t,L0|a
   - L0|a+L1|t+L-1|t,L0|a
   - L0|a+L1|a+L-1|t,L0|a
   - L0|t+L1|t+L-1|a,L0|a
   - L0|t+L1|a+L-1|a,L0|a
   - L0|a+L1|t+L-1|a,L0|a
   - L0|a+L1|a+L-1|a,L0|a

#  - group: Idle
#    idle: true
#    features:
#    - L0|i,n/a
#
#  - group: Next Lattice Previous Path Bigram
#    idle: true
#    features:
#    - L0|a+L0|i,L0|t

Add previous lattice bigram feature
Add previous lattice bigram feature
