(!foo) in bar;
(!foo) in bar;
!(foo in bar);
(!foo) in bar;

(!foo) instanceof Bar;
(!foo) instanceof Bar;
!(foo instanceof Bar);
(!foo) instanceof Bar;

(~foo) in bar;
(~foo) in bar;
~(foo in bar);
(~foo) in bar;

(~foo) instanceof Bar;
(~foo) instanceof Bar;
~(foo instanceof Bar);
(~foo) instanceof Bar;

(+foo) in bar;
(+foo) in bar;
+(foo in bar);
(+foo) in bar;

(+foo) instanceof Bar;
(+foo) instanceof Bar;
+(foo instanceof Bar);
(+foo) instanceof Bar;

(-foo) in bar;
(-foo) in bar;
-(foo in bar);
(-foo) in bar;

(-foo) instanceof Bar;
(-foo) instanceof Bar;
-(foo instanceof Bar);
(-foo) instanceof Bar;

(void 0) in bar;
(void 0) in bar;
void (0 in bar);
(void 0) in bar;

(void 0) instanceof bar;
(void 0) instanceof bar;
void (0 instanceof bar);
(void 0) instanceof bar;

(delete 0) in bar;
(delete 0) in bar;
delete (0 in bar);
(delete 0) in bar;

(delete 0) instanceof bar;
(delete 0) instanceof bar;
delete (0 instanceof bar);
(delete 0) instanceof bar;

(typeof 0) in bar;
(typeof 0) in bar;
typeof (0 in bar);
(typeof 0) in bar;

(typeof 0) instanceof bar;
(typeof 0) instanceof bar;
typeof (0 instanceof bar);
(typeof 0) instanceof bar;

++x instanceof bar; // not ambiguous, because ++(x instanceof bar) is obviously invalid

(!!foo) instanceof Bar;