Egg = [expansion = fertilize (male), reduction = female( reproduction), objective = shell (protect), subjective = embryo]
Chemical reaction = [expansion = synthesis, reduction = decomposition, objective = double replacement, subjective = single replacement]

A egg is female( reproduction) and sometimes fertilize (male).
A chemical reaction is decomposition and sometimes synthesis.

q1n = [expansion = q1e, reduction = q1r, objective = q1o, subjective = q1s]
q1n = [expansion = q1e, reduction = q1r, objective = q1o, subjective = q1s]

A q1n is q1r and sometimes q1e.
A q1n is q1r and sometimes q1e.