• Tree principle
• DAG principle
• Projectivity principle
• Valency principle
• Order principle
• Agr principle
• Agreement principle
• Linking principles

-  word: zaps
   classes: [V_3SG, ~V~zap]

-  gram: V_3SG
   classes: [V_MAIN_FIN]
   id:
      agrs: {sb:  ['[-p1,-p2,-pl]'],
             tns: ['pres']}
-  lexeme: ~V~zap
   classes: [V_T]

-  gram: V_T
   classes: [V_MAIN]
   id:
      outs: {ob: '!'}    # Valency principle
   sem:
      outs: {arg2: '!'}
   idsem:
      arg: {arg2: [ob]}
-  gram: V_FIN
   classes: [V]
   id:
      outs: {sb: '!'}
      agree: [sb]        # Agreement principle
   sem:
      outs: {arg1: '!'}
   idsem:
      lb12s: {arg1: [sb]}

• Jake and Dolores eat yogurt.
• Dolores makes and sells yogurt.
• Dolores makes and Max delivers yogurt.
• Dolores makes yogurt and Max jam.