Gyles Brandreth's new oeuvre, The Oxford Book Of Theatrical Anecdotes, is a luvvie's delight. For some reason my husband is absolutely gripped. Pink wine and dark chocolate. Because this is not a problem that is going away any time soon. Indeed, its former boss earned 508,301 last year, including a bonus of 133,586.
Pink and dark are not sidelines.
( z0 sideline :domain ( z1 and :op ( z2 pink ) :op ( z3 dark ) ) :polarity - )
(z0 / sideline
    :domain (z1 / and
                :op1 (z2 / pink-04)
                :op2 (z3 / dark-02))
    :polarity -)
Pink and dark are not sidelines .
z1 :op1 z2
z1 :op2 z3
z0 :polarity 0
z0 :domain z1